Question: What is this plant named after?

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Nepenthes. Nepenthes () is a genus of carnivorous plants, also known as tropical pitcher plants, or monkey cups, in the monotypic family Nepenthaceae. The genus includes about 170 species, and numerous natural and many cultivated hybrids. They are mostly liana-forming plants of the Old World tropics, ranging from South China, Indonesia, Malaysia, and the Philippines; westward to Madagascar (two species) and the Seychelles (one); southward to Australia (four) and New Caledonia (one); and northward to India (one) and Sri Lanka (one). The greatest diversity occurs on Borneo, Sumatra, and the Philippines, with many endemic species. Many are plants of hot, humid,.

Nepenthes. lowland areas, but the majority are tropical montane plants, receiving warm days but cool to cold, humid nights year round. A few are considered tropical alpine, with cool days and nights near freezing. The name "monkey cups" refers to the fact that monkeys were once thought to drink rainwater from the pitchers. ## Description."Nepenthes" species usually consist of a shallow root system and a prostrate or climbing stem, often several metres long and up to 15 (m) or more, and usually 1 (cm) or less in diameter, although this may be thicker in a few species (e.g. "N. bicalcarata"). From.

Nepenthes. the stems arise alternate, sword-shaped leaves with entire leaf margins. An extension of the midrib (the tendril), which in some species aids in climbing, protrudes from the tip of the leaf; at the end of the tendril the pitcher forms. The pitcher starts as a small bud and gradually expands to form a globe- or tube-shaped trap. The shapes can evoke a champagne flute or a misused condom.The trap contains a fluid of the plant's own production, which may be watery or more viscous, and is used to drown the prey. This fluid contains viscoelastic biopolymers that may be crucial.

Nepenthes. to the retention of insects within the traps of many species. The viscoelastic fluid in pitchers is especially effective in the retention of winged insects. The trapping efficiency of this fluid remains high, even when significantly diluted by water, as inevitably happens in wet conditions.The lower part of the trap contains glands which absorb nutrients from captured prey. Along the upper inside part of the trap is a slick, waxy coating which makes the escape of its prey nearly impossible. Surrounding the entrance to the trap is a structure called the peristome (the "lip"), which is slippery and often quite.

Nepenthes. colorful, attracting prey, but offering an unsure footing. The prey-capture effectiveness of the peristome is further enhanced in moist environments, where condensation may cause a thin water film to form on the surface of the peristome. When wet, the slippery surface of the peristome causes insects to ‘aquaplane’, or slip and fall, into the pitcher. Above the peristome is a lid (the operculum); in many species, this keeps rain from diluting the fluid within the pitcher, the underside of which may contain nectar glands which attract prey."Nepenthes" species usually produce two types of pitchers, known as leaf dimorphism. Appearing near.

Nepenthes. the base of the plant are the large, lower traps, which typically sit on the ground. The upper or aerial pitchers are usually smaller, coloured differently, and possess different features from the lower pitchers. These upper pitchers usually form as the plant reaches maturity and the plant grows taller. To keep the plant steady, the upper pitchers often form a loop in the tendril, allowing it to wrap around nearby support. In some species (e.g. "N. rafflesiana"), different prey may be attracted by the two types of pitchers. This varied morphology also often makes identification of species difficult.Prey usually consists.

Nepenthes. of insects, but the largest species (e.g. "N. rajah" and "N. rafflesiana") may occasionally catch small vertebrates, such as rats and lizards. Records of cultivated plants trapping small birds have been made. Flowers occur in racemes or more rarely in panicles with male and female flowers on separate plants. Three species have symbiotic relationships with tree shrews, which eat the nectar produced by the plant and defecate into the pitchers, providing valuable nutrients."Nepenthes" are insect-pollinated, the primary agents being flies (including blow flies, midges, and mosquitoes), moths, wasps, and butterflies. Their smells can range from sweet to musty or fungus-like.

Nepenthes. Seed is typically produced in a four-sided capsule which may contain 50–500 wind-distributed seeds, consisting of a central embryo and two wings, one on either side (though "N. pervillei" differs).The genus is cytologically diploid, with all studied species having a chromosome number of "2n"=80. This high number is thought to reflect paleopolyploidy (likely 8x or 16x).## Taxonomy.About 170 species of "Nepenthes" are currently recognised as valid. This number is increasing, with several new species being described each year.## Etymology.The genus name "Nepenthes" was first published in 1737 in Carl Linnaeus's "Hortus Cliffortianus". It references a passage in Homer's "Odyssey", in.

Nepenthes. which the potion "Nepenthes pharmakon" is given to Helen by an Egyptian queen. "Nepenthe" literally means "without grief" ("ne" = not, "penthos" = grief) and, in Greek mythology, is a drug that quells all sorrows with forgetfulness. Linnaeus explained:If this is not Helen's "Nepenthes", it certainly will be for all botanists. What botanist would not be filled with admiration if, after a long journey, he should find this wonderful plant. In his astonishment past ills would be forgotten when beholding this admirable work of the Creator! [translated from Latin by Harry Veitch]The plant Linnaeus described was "N. distillatoria", called" bāndurā.

Nepenthes. (බාඳුරා), a species from Sri Lanka."Nepenthes" was formally published as a generic name in 1753 in Linnaeus's famous "Species Plantarum", which established botanical nomenclature as it exists today. "Nepenthes distillatoria" is the type species of the genus.The name "monkey cups" was discussed in the May 1964 issue of "National Geographic", in which Paul A. Zahl wrote:The carriers called them "monkey cups," a name I had heard elsewhere in reference to "Nepenthes", but the implication that monkeys drink the pitcher fluid seemed farfetched. I later proved it true. In Sarawak, I found an orangutan that had been raised as a pet.

Nepenthes. and later freed. As I approached it gingerly in the forest, I offered it a half-full pitcher. To my surprise, the ape accepted it, and with the finesse of a lady at tea, executed a delicate bottoms-up.The plants are often called "kantong semar" (Semar's pocket) in Indonesia and "sako ni Hudas" (Judas' money bag) in the Philippines.## Evolution and phylogeny.An absence of evidence of intermediate species, fossil or living (i.e. a missing link), does not allow forming a phylogenetical timeline for the development of the distinctive traits of modern "Nepenthes", which include its relatively rare strict dioecy and carnivorous pitchers.

Nepenthes. Although "Nepenthes" is distantly related to several modern genera, among these, even the carnivorous relatives [the sundews ("Drosera"), Venus flytrap ("Dionea muscipula"), waterwheel plant ("Aldrovanda"), and dewy pine ("Drosophyllum")], all lack those traits. Among known "Nepenthes", no protomodern characteristics or large variations are found, which suggests that all extant species radiated from a single close ancestor bearing all the modern traits. Phylogenetic comparisons of the chloroplast "matK "gene sequences between "Nepenthes" species and with related species support this conclusion, long genetic distance between "Nepenthes" and others, and abruptly diverging "pom-pom" grouping of the "Nepenthes" species .Fossilized pollen of "Nepenthes"-like plants.

Nepenthes. living on the northern Tethys Sea from 65 to 35 million years ago indicates that then-warmer Europe may have been where the proto-"Nepenthes" developed, and then escaped to Asia and India as Africa collided with Europe and the ensuing climate change wiped out the ancestral species in the original habitat. About 20 million years ago, Borneo, Sumatra, and Sulawesi and possibly even the Philippines were connected to mainland Asia, providing a bridge for the colonization of most sites of "Nepenthes" species radiation. The extensive landbridges in the area 20,000 years ago during the ice age would have provided access to.

Nepenthes. the remaining sites of "Nepenthes" populations in Oceania. The main complication with this hypothesis is the presence of "Nepenthes" on the distant islands of Seychelles and Madagascar. The seeds were thought to have been transferred by seabirds and shorebirds, which rest during their migrations in swampy habitats and may have inadvertently picked up the seeds. This hypothesis is possibly reinforced by the success of the lowland swamp-dwelling "N. distillatoria" in colonizing so many locations.## Distribution and habitat.The genus "Nepenthes" is mostly found within the Malay Archipelago, with the greatest biodiversity found on Borneo, Sumatra, and the Philippines, especially in the.

Nepenthes. Borneo montane rain forests. The full range of the genus includes Madagascar ("N. madagascariensis" and "N. masoalensis"), the Seychelles ("N. pervillei"), Sri Lanka ("N. distillatoria"), and India ("N. khasiana") in the west to Australia ("N. mirabilis", "N. rowanae", and "N. tenax") and New Caledonia ("N. vieillardii") in the southeast. Most species are restricted to very small ranges, including some only found on individual mountains. These limited distributions and the inaccessibility of the regions often means some species go decades without being rediscovered in the wild (e.g. "N. deaniana", which was rediscovered 100 years after its initial discovery). About 10 species.

Nepenthes. have population distributions larger than a single island or group of smaller islands. "Nepenthes mirabilis" has the distinction of being the most widely distributed species in the genus, ranging from Indochina and throughout the Malay Archipelago to Australia.Because of the nature of the habitats that "Nepenthes" species occupy, they are often graded as either lowland or highland species, depending on their altitude above sea level, with 1200 (m) the rough delineation between lowland and highland. Species growing at lower altitudes require continuously warm climates with little difference between day and night temperatures, whereas highland species thrive when they receive warm.

Nepenthes. days and much cooler nights. "Nepenthes lamii" grows at a higher altitude than any other in the genus, up to 3520 (m).Most "Nepenthes" species grow in environments that provide high humidity and precipitation and moderate to high light levels. A few species, including "N. ampullaria", prefer the dense, shaded forests, but most other species thrive on the margins of tree/shrub communities or clearings. Some species (e.g. "N. mirabilis") have been found growing in clear-cut forest areas, roadsides, and disturbed fields. Other species have adapted to growing in savanna-like grass communities. The soils in which "Nepenthes" species grow are usually acidic.

Nepenthes. and low in nutrients, being composed of peat, white sand, sandstone, or volcanic soils. Exceptions to these generalities include species that thrive in soils with high heavy metal content (e.g. "N. rajah"), on sandy beaches in the sea spray zone (e.g. "N. albomarginata"). Other species grow on inselbergs and as lithophytes, while others, such as "N. inermis", can grow as epiphytes with no soil contact.## Ecological relationships.The most obvious interaction between "Nepenthes" species and their environments, including other organisms, is that of predator and prey. "Nepenthes" species certainly attract and kill their prey, albeit passively, through active production of attractive.

Nepenthes. colours, sugary nectar, and even sweet scents. From this relationship, the plants primarily gain nitrogen and phosphorus to supplement their nutrient requirements for growth, given these soil nutrients are typically lacking. The most frequent prey is an abundant and diverse group of arthropods, with ants and other insects topping the menu. Other arthropods found frequently include spiders, scorpions, and centipedes, while snails and frogs are more unusual, but not unheard of. The most uncommon prey for "Nepenthes" species includes rats found in "N. rajah". The composition of prey captured depends on many factors, including location, but can incorporate hundreds of.

Nepenthes. individual insects and many different species. While many "Nepenthes" species are generalists in what they capture, at least one, "N. albomarginata", has specialised and almost exclusively traps termites and produces nearly no nectar. "Nepenthes albomarginata" gains its name from the ring of white trichomes directly beneath the peristome. These trichomes—or "hairs"—are palatable to termites and will attract them to the pitcher. In the course of collecting the edible trichomes, hundreds or thousands of termites will fall into the pitcher.## Symbioses."N. bicalcarata" provides space in the hollow tendrils of its upper pitchers for the carpenter ant "Camponotus schmitzi" to build nests.

Nepenthes. The ants take larger prey from the pitchers, which may benefit "N. bicalcarata" by reducing the amount of putrefaction of collected organic matter that could harm the natural community of infaunal species that aid the plant's digestion."N. lowii" has also formed a dependent relationship, but with vertebrates instead of insects. The pitchers of "N. lowii" provide a sugary exudate reward on the reflexed pitcher lid (operculum) and a perch for tree shrew species, which have been found eating the exudate and defecating into the pitcher. A 2009 study, which coined the term "tree shrew lavatories", determined between 57 and 100%.

Nepenthes. of the plant's foliar nitrogen uptake comes from the faeces of tree shrews. Another study showed the shape and size of the pitcher orifice of "N. lowii" exactly match the dimensions of a typical tree shrew ("Tupaia montana"). A similar adaptation was found in "N. macrophylla", "N. rajah", "N. ampullaria", and is also likely to be present in "N. ephippiata".Similarly, "N. hemsleyana", which is native to Borneo, has a symbiotic partnership with Hardwicke's woolly bat. During the day, a bat may roost above the digestive fluid inside the pitcher. While a bat is inside, it may defaecate, and the plant.

Nepenthes. can get nitrogen from the droppings.## Infauna.Organisms that spend at least part of their lives within the pitchers of "Nepenthes" species are often called "Nepenthes" infauna. The most common infaunal species, often representing the top trophic level of the infaunal ecosystem, are many species of mosquito larvae. Other infaunal species include fly and midge larvae, spiders, mites, ants, and even a species of crab ("Geosesarma malayanum"). Many of these species specialise to one pitcher plant species and are found nowhere else. These specialists are called nepenthebionts. Others, often associated with but not dependent on "Nepenthes" species, are called nepenthophiles. Nepenthexenes,.

Nepenthes. on the other hand, are rarely found in the pitchers, but will often appear when putrefaction approaches a certain threshold, attracting fly larvae that would normally not be found in the pitcher infaunal community. The complex ecological relationship between pitcher plants and infauna is not yet fully understood, but the relationship may be mutualistic: the infauna is given shelter, food, or protection, and the plant that harbours the infauna receives expedited breakdown of captured prey, increasing the rate of digestion and keeping harmful bacterial populations repressed.## Antimicrobial properties."Nepenthes" digestive fluids are sterile before pitchers open and contain secondary metabolites and.

Nepenthes. proteins that act as bactericides and fungicides after the pitcher opens. While the digestive fluid is being produced, the pitcher is not yet open, so there is no chance of microbial contamination. During pitcher development, at least 29 digestive proteins including proteases, chitinases, pathogenesis-related proteins and thaumatin-like proteins are produced in the pitcher fluid. In addition to breaking down prey, these can act as antimicrobial agents. When the pitchers open, the fluid is exposed to bacteria, fungal spores, insects and rain. Often pitchers have a lid that covers the trap, excepting a few (e.g. "N. lowii", "N. attenboroughii" and "N.

Nepenthes. jamban"), preventing rain water from entering. The lid inhibits rainwater from diluting the digestive fluid. Once the bacteria and fungi enter the fluid, secondary metabolites are produced in addition to antimicrobial proteins. Naphthoquinones, a class of secondary metabolite, are commonly produced, and these either kill or inhibit the growth and reproduction of bacteria and fungi. This adaptation could have evolved since "Nepenthes" plants that could produce secondary metabolites and antimicrobial proteins to kill bacteria and fungi were most likely more fit. Plants that produced antimicrobial compounds could prevent loss of valuable nutrients gained from insects within the pitcher. Since "Nepenthes.

Nepenthes. cannot digest certain bacteria and fungi, the bactericides and fungicides allow plants to maximize nutrient uptake.## Botanical history.The earliest known record of "Nepenthes" dates back to the 17th century. In 1658, French colonial governor Étienne de Flacourt published a description of a pitcher plant in his seminal work "Histoire de la Grande Isle de Madagascar". It reads:It is a plant growing about 3 feet high which carries at the end of its leaves, which are 7 inches long, a hollow flower or fruit resembling a small vase, with its own lid, a wonderful sight. There are red ones and yellow.

Nepenthes. ones, the yellow being the biggest. The inhabitants of this country are reluctant to pick the flowers, saying that if somebody does pick them in passing, it will not fail to rain that day. As to that, I and all the other Frenchmen did pick them, but it did not rain. After rain these flowers are full of water, each one containing a good half-glass. [translated from French in "Pitcher-Plants of Borneo"]Flacourt called the plant "Amramatico", after a local name. More than a century later, this species was formally described as "N. madagascariensis".The second species to be described was "N.

Nepenthes. distillatoria", the Sri Lankan endemic. In 1677, Danish physician Thomas Bartholin made brief mention of it under the name "Miranda herba", Latin for "marvellous herb". Three years later, Dutch merchant Jacob Breyne referred to this species as "Bandura zingalensium", after a local name for the plant. "Bandura" subsequently became the most commonly used name for the tropical pitcher plants, until Linnaeus coined "Nepenthes" in 1737."Nepenthes distillatoria" was again described in 1683, this time by Swedish physician and naturalist Herman Niklas Grim. Grim called it "Planta mirabilis destillatoria" or the "miraculous distilling plant", and was the first to clearly illustrate a.

Nepenthes. tropical pitcher plant. Three years later, in 1686, English naturalist John Ray quoted Grim as saying:The root draws up moisture from the earth which with the help of the sun's rays rises up into the plant itself and then flows down through the stems and nerves of the leaves into the natural utensil to be stored there until used for human needs. [translated from Latin in "Pitcher-Plants of Borneo"]One of the earliest illustrations of "Nepenthes" appears in Leonard Plukenet's "Almagestum Botanicum" of 1696. The plant, called "Utricaria vegetabilis zeylanensium", is undoubtedly "N. distillatoria".Around the same time, German botanist Georg Eberhard.

Nepenthes. Rumphius discovered two new "Nepenthes" species in the Malay Archipelago. Rumphius illustrated the first one, now considered synonymous with "N. mirabilis", and gave it the name "Cantharifera", meaning "tankard-bearer". The second, referred to as "Cantharifera alba", is thought to have been "N. maxima". Rumphius described the plants in his most famous work, the six-volume "Herbarium Amboinense", a catalogue of the flora of Ambon Island. However, it would not be published until many years after his death.After going blind in 1670, when the manuscript was only partially complete, Rumphius continued work on "Herbarium Amboinensis" with the help of clerks and artists.

Nepenthes. In 1687, with the project nearing completion, at least half of the illustrations were lost in a fire. Persevering, Rumphius and his helpers first completed the book in 1690. However, two years later, the ship carrying the manuscript to the Netherlands was attacked and sunk by the French, forcing them to start over from a copy that had fortunately been retained by Governor-General Johannes Camphuijs. The "Herbarium Amboinensis" finally arrived in the Netherlands in 1696. Even then, the first volume did not appear until 1741, 39 years after Rumphius's death. By this time, Linnaeus's name "Nepenthes" had become established."Nepenthes distillatoria.

Nepenthes. was again illustrated in Johannes Burmann's "Thesaurus Zeylanicus" of 1737. The drawing depicts the end of a flowering stem with pitchers. Burmann refers to the plant as "Bandura zeylanica".The next mention of tropical pitcher plants was made in 1790, when Portuguese priest João de Loureiro described "Phyllamphora mirabilis", or the "marvellous urn-shaped leaf", from Vietnam. Despite living in the country for around 35 years, it seems unlikely that Loureiro observed living plants of this species, as he stated the lid is a moving part, actively opening and closing. In his most celebrated work, "Flora Cochinchinensis", he writes:[...] (the) leaf-tip ends.

Nepenthes. in a long hanging tendril, twisted spirally in the middle, from which hangs a sort of vase, oblong, pot-bellied, with a smooth lip with a projecting margin and a lid affixed to one side, which of its own nature freely opens and closes in order to receive the dew and store it. A marvellous work of the Lord! [translated from French in "Pitcher-Plants of Borneo"]"Phyllamphora mirabilis" was eventually transferred to the genus "Nepenthes" by Rafarin in 1869. As such, "P. mirabilis" is the basionym of this most cosmopolitan of tropical pitcher plant species.Loureiro's description of a moving lid was repeated.

Nepenthes. by Jean Louis Marie Poiret in 1797. Poiret described two of the four "Nepenthes" species known at the time: "N. madagascariensis" and "N. distillatoria". He gave the former its current name and called the latter "Nepente de l'Inde", or simply ""Nepenthes" of India", although this species is absent from the mainland. In Jean-Baptiste Lamarck's "Encyclopédie Méthodique Botanique", he included the following account:This urn is hollow, as I have just said, usually full of soft, clear water, and then closed. It opens during the day and more than half the liquid disappears, but this loss is repaired during the night, and.

Nepenthes. the next day the urn is full again and closed by its lid. This is its sustenance, and enough for more than one day because it is always about half-full at the approach of night. [translated from French in "Pitcher-Plants of Borneo"]With the discovery of new species and Sir Joseph Banks' original introduction of specimens to Europe in 1789, interest in "Nepenthes" grew throughout the 19th century, culminating in what has been called the "Golden Age of "Nepenthes"" in the 1880s. However, the popularity of the plants dwindled in the early 20th century, before all but disappearing by World War.

Nepenthes. II. This is evidenced by the fact that no new species were described between 1940 and 1966. The revival of global interest in the cultivation and study of "Nepenthes" is credited to Japanese botanist Shigeo Kurata, whose work in the 1960s and 1970s did much to bring attention to these plants.## Cultivation."Nepenthes" may be cultivated in greenhouses. Easier species include "N. alata", "N. ventricosa", "N. khasiana", and "N. sanguinea". These four species are highlanders ("N. alata" has both lowland and highland forms), some easy lowlander species are "N. rafflesiana", "N. bicalcarata", "N. mirabilis", and "N. hirsuta".Highland forms are those species.

Nepenthes. that grow in habitats generally higher in elevation, and thus exposed to cooler evening temperatures. Lowland forms are those species growing nearer to sea level. Both forms respond best to rainwater (but some tap water works as long as it is flushed monthly with rainwater or water low in dissolved solid and chemicals), bright light (though some species can grow in full sun), a well-drained medium, good air circulation and relatively high humidity, although easier species such as "N. alata" can adapt to lower humidity environments. Highland species must have night-time cooling to thrive in the long term. Chemical fertilisers.

Nepenthes. are best used at low strength. Occasional feeding with frozen (thawed before use) crickets may be beneficial. Terrarium culture of smaller plants, such as "N. bellii", "N." × "trichocarpa" and "N. ampullaria", is possible, but most plants will get too large over time.Plants can be propagated by seed, cuttings, and tissue culture. Seeds are usually sown on damp chopped "Sphagnum" moss, or on sterile plant tissue culture media once they have been properly disinfected. The seeds generally become nonviable soon after harvesting, so seed are not usually the preferred method of propagation. A 1:1 mixture of orchid medium with moss.

Nepenthes. or perlite has been used for germination and culture. Seed may take two months to germinate, and two years or more to yield mature plants. Cuttings may be rooted in damp "Sphagnum" moss in a plastic bag or tank with high humidity and moderate light. They can begin to root in one to two months and start to form pitchers in about six months. Tissue culture is now used commercially and helps reduce collection of wild plants, as well as making many rare species available to hobbyists at reasonable prices. "Nepenthes" species are considered threatened or endangered plants and all.

Nepenthes. of them are listed in CITES Appendix II, with the exception of "N. rajah" and "N. khasiana" which are listed in CITES Appendix I. The CITES listing means all international trade (including in parts and derivatives) is controlled by the CITES permitting system, with wild sourced specimens of Appendix I species prohibited from commercial international trade.## Hybrids and cultivars.There are many hybrid "Nepenthes" and numerous named cultivars. Some of the more well-known, artificially produced hybrids and cultivars include:"N." × "coccinea" (("N. rafflesiana" × "N. ampullaria") × "N. mirabilis")"N." × "ventrata" ("N. ventricosa" × "N. alata")"N." × 'Bloody Mary' ("N. ventricosa.

Nepenthes. × "N. ampullaria")"N." 'D'amato' ("N. lowii" × "N. ventricosa")"N." × "mixta" ("N. northiana" × "N. maxima")"N." 'Syurga' ("N. ventricosa" × "N. northiana")"N." 'Menarik' ("N. rafflesiana" × "N. veitchii")"N." 'Emmarene' ("N. khasiana" × "N. ventricosa")"N." 'Judith Finn' ("N. spathulata" × "N. veitchii") "Nepenthes" classification "Nepenthes" infauna List of "Nepenthes" endophyte species Danser's Monograph on "Nepenthes" (covers species from Malaysia, Indonesia and New Guinea, but not elsewhere) Nepenthaceae in: Watson, L., and M. J. Dallwitz (1992 onwards). The Families of Flowering Plants. Descriptions, Illustrations, Identification, Information Retrieval. Beaver, R.A. 1983. The communities living in "Nepenthes" pitcher plants: fauna and food webs. In:.

Nepenthes. J.H. Frank & L.P. Lounibos (eds.) "Phytotelmata: Plants as Hosts for Aquatic Insect Communities". Plexus Publishing, New Jersey. pp. 129–159. Boulay, J. 1997. Les "Nepenthes". "Dionée" 38. "Nepenthes" - the Monkey Cups from the Botanical Society of America "Nepenthes": The Interactive Guide at CarnivorousPlants.co.uk "Nepenthes" photographs at the Carnivorous Plant Photo Finder A video about "Nepenthes rajah" from "The Private Life of Plants" The Carnivorous Plant FAQ: "Nepenthes" by Barry Rice Evolution -- "Nepenthes" Phylogeny from the International Carnivorous Plant Society Inner World of "Nepenthes" from the John Innes Centre.


Question: What is the closest upper taxonomy of this insect?

Instruction: Retrieve a Wikipedia paragraph that provides an answer to the given query about the image.

Bombus impatiens. Bombus impatiens, the common eastern bumble bee, is the most commonly encountered bumblebee across much of eastern North America. They can be found in the Eastern temperate forest region of the eastern United States, southern Canada, and the eastern Great Plains. Because of their great adaptability, they can live in country, suburbs, and even urban cities. This adaptability makes them a great pollinator species, leading to an increase in their commercial use by greenhouse industry. This increase consequently led to their farther spread outside their previous distribution range. They are considered one of the most important species of pollinator bees.

Bombus impatiens. in North America.## Taxonomy and phylogeny.The generic epithet (the first part of the name) "Bombus" comes from the genus "Bombus", which is also commonly known as bumblebee and belongs to the tribe "Bombini". The specific name (the latter half of its scientific name) may come from the flowers of the genus "Impatiens," which is one of its food sources"." An alternative explanation is that these bees are easily provoked into stinging, and so are "impatient."Including "B. impatiens," the genus "Bombus" contains 250 species and most species are characterized by their eusociality or parasitic nature. Specifically, the genus "Bombus" has 49.

Bombus impatiens. subgenera, and "B. impatiens" belongs to the subgenus "Pyrobombus". "B. impatiens" is also of the order Hymenoptera and family Apidae which characterizes its kin selection and relatedness.## Description and Identification.## Queens, workers, and males.The bees of "B. impatiens" are similar to those of "B. bimaculatus", "B. perplexus", "B. vagans", "B. sandersoni", and "B. separatus" in their appearance. They have short and even hair, medium-sized heads with cheeks that are similar in width to their heads, and a long and rectangular body. In general, queens and workers are similar in their coloring, pubescence, and structure. However, with a body length of.

Bombus impatiens. 17–23 mm, queens have bigger bodies than males or workers. Workers have bodies that are 8.5–16 mm, and males have bodies that are 12–18 mm long. The differences in their sizes can be observed by the differences in their larval weight at second instar. In addition to the difference in their sizes, males slightly differ in their coloring. While queens and workers are both black with a yellow thorax and first abdominal segment, males have a yellow face and head.## Nests."B. impatiens" have underground nests that are 1–3 feet below the ground surface. They enter their nests using tunnels that.

Bombus impatiens. are 18 inches to 9 feet long. Unlike the nests of honeybees or paper wasps, the nests of "B. impatiens" do not have a predictable pattern. The bees lay egg clumps all over inside the nest instead of having one brood area around which the workers’ distribution center is arranged.Within the nest there is a special division of labor and social organization. 11–13% of workers maintain small spatial fidelity zones inside the nest, and all workers remain at a specific distance from the colony center. Smaller individuals maintained smaller spatial zones and tended to be closer to the center of.

Bombus impatiens. the nest. Individuals that perform the in-nest task of larval feeding were found in the center of the nest, while foragers were often found on the periphery of the nest when not foraging.## Distribution and habitat.Broadly, they can be found in the Eastern temperate forest region of the eastern United States, southern Canada, and the eastern Great Plains. More specifically, its range includes Ontario, the New England States, Georgia, Mississippi, Kentucky, Tennessee, Alabama, Maryland, Delaware, New Jersey, New York, Pennsylvania, South Carolina, North Carolina, Virginia, West Virginia, south to Florida, west to Michigan, Illinois, Kansas, Missouri, and Iowa. Also, the.

Bombus impatiens. increase in their commercial use by greenhouse industry led to the spread of the species outside its previous distribution range. "Bombus impatiens" adapts well to a variety of habitats, nectar sources, and climates and was seen visiting a variety and abundance of plants. In addition to agricultural, wetland, and urban conditions, the species can thrive in wooded habitats, and is likely related to woodland spring ephemerals. It nests underground in open fields and woods.## Colony.To start colonies, the gynes usually leave their hibernacula starting in mid-April and establish colonies in May. In the beginning of June, the workers start to.

Bombus impatiens. emerge and in August and September the male bees and young queens start appearing. However, at times, the bees can emerge around late to mid-October. In terms of colony sizes, a colony of "B. impatiens" consists of more than 450 individual bees and most are worker bees.## Behavior.## Division of labor.Inside the nest, the worker bees distribute themselves in a non-random fashion to be a certain distance away from the center of the nest. By doing so they increase their efficiency, as the distance traveled between tasks is minimized. The tasks of some workers are related to their space in.

Bombus impatiens. the nest. The labor for the workers is divided according to their body sizes. They vary in size, and the smaller bees are usually found near the center of the nest with the job of feeding the larvae whereas the bigger workers are usually found at the periphery, working as foragers and as guards. In general, they keep their spatial pattern as well as their jobs throughout their lifetime.## Reproductive suppression.Worker bees are totipotent and have the ability to lay eggs, and a few workers even have mature oocytes in their ovaries. However, when there is a queen in the.

Bombus impatiens. colony, the workers do not attempt to lay eggs or develop eggs. They usually do not show aggression towards other workers or the queen, showing no “competition phase.” Without a queen, aggression is more common.## Mating.A gyne mates with a male bee near the end of the hive's life cycle. They rest on the ground or on vegetation in order to mate and the mating lasts from 10 to 80 minutes. In order to increase the probability of his genes getting passed down safely, the male mates for a certain amount of time to let his sperm harden during mating.

Bombus impatiens. Soon thereafter the gynes hibernate. The following spring they emerge from hibernation and set about to get strong on nectar and to find a suitable old mouse or chipmunk hole to begin a colony. The first thing she builds is a honeypot, then she fills it with food (nectar/pollen), making it easier to feed her new brood, which are raised in paper cells she builds. The queens lay about 2000 eggs in one season, but only half of them will survive to become full adults.## Foraging.## Traplining.Foragers of "B. impatiens" colonies use a strategy called traplining, in which the bees.

Bombus impatiens. visit their food sources in a repeatable sequence, to improve their efficiency, especially in an unfamiliar environment. The bees establish traplines by searching among flowers in an orderly manner. Upon establishment, the traplines remain stable for long periods of time. Traplining has many advantages. The bees can minimize both the distance traveled by linking the sources in a more direct path and the time spent searching by knowing the locations of food sources. Also, the bees can travel through the locations that were recently depleted of their resources, saving their energy and time.## Communication."B. impatiens" use communication in order to.

Bombus impatiens. maximize the benefit of foraging. The bees become faster and more accurate as they become more experienced at foraging, and the returning foragers tend to stimulate the foraging activity of the colony. The foragers of "B. impatiens" improve their foraging activity by communicating with others in their nests. They share their abilities to associate scents of good food sources.## Interaction with other species.## Diet.There are many food plants for "B. impatiens" including: “"Aster"”, "Cirsium, Eupatorium, Gelsemium, Malus, Pontederia, Rubus, Solidago, Trifolium, Crocus, Pieris, Rhododendron", barberry, mountain laurel, rose, clover, purple vetch, pickerel weed, purple loosestrife, buttonbush, Beggar’s ticks, goldenrod, boneset,.

Bombus impatiens. burdock, and "Impatiens" from which the bee's name may come. The bees can eat the raw materials like pollen and nectar of the flowers but most bees in the colony eat honey that is made using the raw materials since it has higher nutritional value. To create honey, the bees consume the pollen and the nectar, and then regurgitate them, mixing them with enzymes in their stomachs.## Parasites."Bombus impatiens" are hosts to other bees. "Ps. Laborious" and "Bombus citrinus" are some examples of parasites. Also, Entromopox-like viruses and prokaryotes called Spiroplasmataceae have been found in the workers. However, there is.

Bombus impatiens. no known harmful effect to "B. impatiens".## Importance to humans.Bees play in a significant role in pollinating crops. A decline in bee population leads to a decline in crop yield, which will then result in a reduction in the food supply and cause economic hardships for farmers. Commercially produced "B. impatiens" is one of the most important species of pollinator bees that are used by greenhouse industry in North America, including Canada and Mexico. They are efficient pollinators and natives to East North America. The interest in "B. impatiens" has been increased even more due to the decline of pollinator.

Bombus impatiens. bee population like "A. mellifera" and the ban on importing "B. terrestris" into North America. They are used as pollinator bees for tomatoes, blueberries, raspberries, and pumpkins.


Question: How many elevators does this have?

Instruction: You have to find a Wikipedia segment that answers the question about the displayed image.

30 St Mary Axe. accepted.## Planning process.John Prescott, the Deputy Prime Minister, granted planning permission on 23 August 2000 to construct a building on the site, which would be much larger than the old Exchange. The site needed development, was not on any of the "sight lines" (planning guidance requires that new buildings do not obstruct or detract from the view of St Paul's Cathedral dome when viewed from a number of locations around London), and had housed the Baltic Exchange.The plan for the site was to reconstruct the Baltic Exchange. GMW Architects proposed a new rectangular building surrounding a restored exchange: it would.


Question: What is this animal named after?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Steller sea lion. The Steller sea lion (Eumetopias jubatus), also known as the Steller's sea lion and northern sea lion, is a near-threatened species of sea lion in the northern Pacific. It is the sole member of the genus "Eumetopias" and the largest of the eared seals (Otariidae). Among pinnipeds, it is inferior in size only to the walrus and the two species of elephant seals. The species is named for the naturalist Georg Wilhelm Steller, who first described them in 1741. The Steller sea lion has attracted considerable attention in recent decades, owing to significant and largely unexplained declines in their numbers.

Steller sea lion. over an extensive portion of their northern range in Alaska.## Description.Adult animals are lighter in color than most sea lions, ranging from pale yellow to tawny and occasionally reddish. Steller sea lion pups are born almost black, weighing around 23 (kg), and remain dark in coloration for several months. Females and males both grow rapidly until the fifth year, after which female growth slows considerably. Adult females measure 2.3 - 2.9 (m) in length, on average being 2.5 (m), and weigh 240 - 350 (kg), with an average of 263 (kg). Males continue to grow until their secondary sexual traits.

Steller sea lion. appear in their fifth to eighth year. Males are slightly longer than the females, growing to about 2.82 – 3.25 (m) long and averaging 3 (m) in length. Males have much wider chests, necks, and general forebody structure. Males can weigh between 450 – 1120 (kg), weighing on average 544 (kg). Males are further distinguished from females by broader and higher foreheads, flatter snouts, and a thick mane of coarse hair around their large necks. It is fitting then that their Latin name translates roughly as "maned one with the broad forehead".## Range.The range of the Steller sea lion extends.

Steller sea lion. from the Kuril Islands in the Sea of Okhotsk in Russia to the Gulf of Alaska in the north, down to Año Nuevo Island off the coast of central California to the south. They formerly bred as far south as the Channel Islands, but have not been observed there since the 1980s. Based on genetic anаlyses and local migration patterns, the global Steller sea lion population has traditionally been divided into an eastern and western stock at 144°W longitude, roughly through the middle of the Gulf of Alaska. Recent evidence suggests the sea lions in Russia in the Sea of.

Steller sea lion. Okhotsk and the Kuril Islands comprise a third Asian stock, while the sea lions on the eastern seaboard of Kamchatka and the Commander Islands belong to the western stock.In the summer, Steller sea lions tend to shift their range somewhat southward. Therefore, though there are no reproductive rookeries in Japan, several consistent haul-out sites are found around Hokkaidō in the winter and spring. Vagrants have been spotted in the Yellow Sea and Bohai Gulf and along the coast of Korea and China. The oldest fossil known of the species was found near Kanazawa, Japan and dates to the late Early.

Steller sea lion. Pleistocene (0.8 Ma).## Ecology.## Habitat.Steller sea lions tend to live in the coastal waters of the subarctic because of the cooler temperate climate of the area. Like all otariids, Steller sea lions are amphibious and spend some time in water and some on land. Typically, Stellar sea lions spend their time in the water feeding but haul-out onto land to reproduce, raise their pups, molt, and rest. Steller sea lions usually congregate on isolated islands because they are the ideal terrestrial habitat. These isolated islands are preferred by Stellar sea lions because they can avoid predation from terrestrial predators, easily.

Steller sea lion. thermoregulate (by means of cooling winds), and access offshore prey more easily. Some haul-out sites, known as rookeries, are commonly used for reproduction while other haul-out sites are used for other purposes like molting. However, both biotic and abiotic factors can influence the amount of time that Steller sea lions spend on land. Haul-out sites and haul-out abundance of the Steller sea lion can be determined by prey availability, predator abundance, tide levels, weather, etc.## Foraging.Steller sea lions are skilled and opportunistic marine predators, feeding on a wide range of fish and cephalopod species. Important diet components include walleye pollock,.

Steller sea lion. Atka mackerel, halibut, herring, capelin, flatfish Pacific cod, rockfish, sculpins, salmon, sand lance, and cephalopods such as various squid and octopus. They seem to prefer schooling fish and forage primarily between intertidal zones and continental shelves. They usually aggregate in groups of up to twelve in areas of prey abundance. They are known to aggregate near fishing vessels, preying on bycatch discards. Most of the data on their foraging comes from data collected off the coast of Alaska; little is known of their foraging behavior elsewhere.The composition of the diet of Steller sea lions varies seasonally and geographically; as opportunistic.

Steller sea lion. predators, they concentrate on the locally most abundant prey species. In addition to their primary marine environment, they sometimes enter estuaries and feed on brackish-water fish such as sturgeon. Very occasionally, they have been known to prey on northern fur seals, harbor seals, and sea otter pups. Records suggest that the range of their prey species has broadened over time.## Predation.Steller sea lions are top-tier carnivores, but are susceptible to predation, primarily by killer whales. Shark species are also possible predators: sleepers and great whites may prey on juvenile sea lions.## Behavior and life history.## Reproduction.Reproductively mature male sea lions.

Steller sea lion. gather together mid-spring on traditional, well-defined reproductive rookeries, usually on beaches on isolated islands. The larger, older males establish and defend distinct territories on the rookery. A week or so later, adult females arrive, accompanied occasionally by sexually immature offspring, and form fluid aggregations throughout the rookery. Like all other otariids, Steller sea lions are polygynous. However, unlike some other species, they do not coerce individual females into harems, but control spatial territories among which females freely move. Steller sea lions have used aquatic, semiaquatic, and terrestrial territories. Males with semiaquatic territories have the most success in defending them. The.

Steller sea lion. boundaries are defined by natural features, such as rocks, faults, or ridges in rocks, and territories can remain stable for 60 days. Though Steller sea lion males are generally tolerant of pups, one male filmed on Medny Island in Russia was documented killing and eating several pups in a first-ever recorded incident of cannibalism. Though researchers are uncertain as to the motives or reasons behind said attacks, it is suggested that the bull involved may have an abnormal personality akin to being psychotic.Pregnant females give birth soon after arriving on a rookery, and copulation generally occurs one to two weeks.

Steller sea lion. after giving birth, but the fertilized egg does not become implanted in the uterus until the fall. A fertilized egg may remain in embryonic diapause for up to three months before implanting and beginning to divide. Twins are rare. After a week or so of nursing without leaving the rookery, females begin to take progressively longer and more frequent foraging trips leaving their pups behind until at some point in late summer, when both the mother and pup leave the rookery together. This maternal attendance pattern is common in otariids. As pups get older the amount of time spent by.

Steller sea lion. females foraging out at sea increases. This continues until pups obtain the ideal body weight and energy reserves to eat on their own. A study conducted by the University of California, Santa Cruz found that on average male pups consume more milk than females. This may be due to the sexual dimorphism common to otariids. Reproductive males fast throughout the reproductive season, often without entering the water once from mid-May until August, when the structure of the reproductive rookeries begins to fall apart and most animals leave for the open seas and disperse throughout their range.The age at weaning is.

Steller sea lion. highly variable; pups may remain with their mothers for as long as four years. Incidents of mothers feeding daughters that are simultaneously feeding their own newborn pups have been documented, which is an extremely rare occurrence among mammals. A study done at Año Nuevo in 1983 found that female attendance and time spent with their pup was shaped by increasing nutritional demands of the pup and the pups suckling efficiency. Females averaged 21 hours ashore and 36 hours at sea. As the pups aged, females began to spend more time at sea again. As the pups matured, specifically at the.

Steller sea lion. sixth week past birth, the mother's sea time declined by 30 percent. There was no relationship between the pups' activity or physical excursion and their suckling time, age, or sex. Their suckling time, and age, and sex are unrelated to their use of energy. Labeled water studies showed that the pups' milk intake had a direct relationship to their size. Pups that consumed more milk were heavier than those that didn't. These findings show that the amount of time females spend onshore with their pups is based on their pup's suckling efficiency and nutritional demands.In the past, the low pup.

Steller sea lion. production has been tied to an increase in nutritional stress found in females. This was believed to have contributed to the decline in Steller sea lions common to Alaska.## Locomotion.The largest of the eared seals, Steller sea lions are quick swimmers, about as fast as the smaller California sea lions. Glide velocity of individual Steller sea lions has been measured as 2.9–3.4 meters or 1.2–1.5 body lengths per second, which is close to the optimal swim velocity of 1.4 body lengths per second based on the minimum cost of transport for California sea lions.A 2007 study of Steller sea lions.

Steller sea lion. found that a majority of thrust was produced during the drive phase of the fore flipper stroke cycle. Although previous findings on eared seals suggested that thrust was generated by the initial outward movement of the foreflippers or the terminal drag-based paddling phase, the 2007 study found that little or no thrust was generated during those phases. Swimming performance in sea lions is modulated by changes in the duration and intensity of movements without changing their sequence. Using criteria based on velocity and the minimum radius of turns, Steller's maneuverability is similar to other eared seals, superior to cetaceans, and.

Steller sea lion. inferior to many fish.## Diving.To be able to dive for a long period of time, Steller sea lions exhibit apnea, bradycardia, and peripheral vasoconstriction. This allows them to maximize their oxygen stores and efficiently forage during their dives. In addition to those adaptations, their thick blubber layer and outer fur layer keep their body insulated during dives.Trained Steller sea lions from Vancouver Aquarium were placed in the open ocean at the University of British Columbia's Open Water Research Station to study their diving metabolism and behavior. Steller sea lions' dives are more energetically costly if they perform dive bouts. The.

Steller sea lion. aerobic diving limit of Steller sea lions was observed to be affected by their nutritional state and feeding.## Communication.Like most otariids, Steller sea lions are vocal in air. Mature male sea lions have a range of vocalizations as part of their territorial behaviors, including belches, growls, snorts, and hisses that serve as warnings to others. Both males and females also produce underwater noises similar to their above water sounds, described as clicks, barks, and belches. The primary function of their vocalizations is for social behavior. Sonogram readings reported that Steller Sea Lions make discrete, low frequency pulses underwater that resemble.

Steller sea lion. the male "belching" territorial noise made in air. These underwater vocalizations have an average of 20–30 pulses per second.Vocalizations are critical to mother-pup pairs, as the mothers must find their pups in a crowded breeding area when they return from foraging. The mother and pup both use distinctive calls, like names, to help differentiate themselves among the crowd of other sea lions. Their aerial vocalizations have been described as similar to the bleats of sheep, and bellows.Because Steller sea lions are sexually dimorphic in size, their hearing differs in sensitivity, possibly due to differences in size of the hearing structures.

Steller sea lion. Females have a higher sensitivity than males, perhaps to hear the higher frequency calls of their pups. The Steller sea lion's hearing range also suggests that they are capable of hearing the underwater calls of one of their main predators, the killer whale.## Interactions with humans.Steller sea lion were hunted for meat and other commodities by prehistoric communities everywhere their range intersected with human communities. Aside from food and clothing, their skin was used to cover baidarkas and kayaks. A subsistence harvest on the order of 300 animals or less continues to this day in some native communities in Alaska.Historically,.

Steller sea lion. the sea lion has had only very slight commercial value. For example, in the 19th century their whiskers sold for a penny apiece for use as tobacco-pipe cleaners.Steller sea lions are sometimes killed intentionally by fishermen, as they are seen as competitors and a threat to fish stocks. Killing sea lions is strictly prohibited in the US and Russia, but in Japan a fixed number are still removed annually, ostensibly to protect their fisheries. In Canada, commercial hunting is prohibited, but limited hunting permits are occasionally granted if local culling is required—for example, nuisance animals destroying fish farms.In recent years,.

Steller sea lion. Steller sea lions have been known to enter the Columbia River estuary and feed on white sturgeon, several salmon species, and rainbow trout, some of which are also listed under the U.S. Endangered Species Act. They are found in the Columbia River nearly year round, with the exception of early summer, going as far upstream as Bonneville Dam. Though not as abundant as the California sea lion, they are still a concern for those agencies charged with managing the fish populations. Since the Steller sea lions are themselves protected under the Marine Mammal Protection Act, managers are compelled to use.

Steller sea lion. nonlethal deterrence methods, such as rubber bullets and noisemakers. Deterrence by the public is strictly forbidden.## Recent decline and subsequent recovery.While the populations of the eastern and Asian stocks appear stable, the population of the western stock, particularly along the Aleutian Islands, was estimated to have fallen by 70–80% since the 1970s. As a consequence, in 1997 the western stock of Steller sea lions was listed as endangered and the eastern stock was listed as threatened under the United States Endangered Species Act. They have since been the object of intense study and the focus of much political and scientific.

Steller sea lion. debate in Alaska.One suspected cause of their precipitous decline was the overfishing of Alaska pollock, herring, and other fish stocks in the Gulf of Alaska. This stems largely from the "junk-food hypothesis" representing a shift in their diet from fatty herring and capelin to leaner fare such as pollock and flounder, thereby limiting their ability to consume and store fat. Other hypotheses include increased predation by orcas and sharks, indirect effects of prey species composition shifts due to changes in climate, effects of disease or contaminants, shooting by fishermen, and others. The decline is certainly due to a complex of.

Steller sea lion. interrelated factors which have yet to be defined by the research effort.Another possible reason for decline in this species has been tied to the Nutritional Stress Hypothesis. The lack of prey corresponds to the decrease in population. In females specifically, obtaining an insufficient amount of nutrients has resulted in the failure to complete their pregnancies to full term.In October 2013, the eastern Steller sea lion was taken off the U.S. Endangered Species List after a major population comeback over the past several years.Eared seal Marine Mammal Center – Steller Sea Lion US National Marine Fisheries Service Steller Sea Lion web.

Steller sea lion. page ARKive – images and movies of the Steller sea lion "(Eumetopias jubatus)" Alaska Department of Fish and Game page on Steller sea lions Overview of Steller sea lion research at NOAA, National Marine Fisheries Service, National Marine Mammal Lab "Nature" documentary about the decline of Steller's sea lions News media report on Steller sea lions and sturgeon interactions SeaLionPredation.com – news and information on seal and sea lion predation of salmon and steelhead in the Pacific Northwest NOAA fact sheet on pinnipeds in the Columbia River Georg Steller's original description in "De Bestiis Marinis, or, The Beasts of the.

Steller sea lion. Sea" (1751) Watch more Steller sea lion (Eumetopias jubatus) video clips from the BBC archive on Wildlife Finder Fifteen years of research into the Alaska populations of Steller Sea Lions at the Alaska SeaLife Center WATCH: Sea lions ward off attacking orcas.


Question: What product does this item produce?

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Power inverter. A power inverter, inverter or invertor is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). The resulting AC frequency obtained depends on the particular device employed. Inverters do the opposite of rectifiers which were originally large electromechanical devices converting AC to DC.The input voltage, output voltage and frequency, and overall power handling depend on the design of the specific device or circuitry. The inverter does not produce any power; the power is provided by the DC source.A power inverter can be entirely electronic or may be a combination of mechanical effects (such as.

Power inverter. a rotary apparatus) and electronic circuitry.Static inverters do not use moving parts in the conversion process.Power inverters are primarily used in electrical power applications where high currents and voltages are present; circuits that perform the same function for electronic signals, which usually have very low currents and voltages, are called oscillators. Circuits that perform the opposite function, converting AC to DC, are called rectifiers.## Input and output.## Input voltage.A typical power inverter device or circuit requires a stable DC power source capable of supplying enough current for the intended power demands of the system. The input voltage depends on the.

Power inverter. are two basic designs for producing household plug-in voltage from a lower-voltage DC source, the first of which uses a switching boost converter to produce a higher-voltage DC and then converts to AC. The second method converts DC to AC at battery level and uses a line-frequency transformer to create the output voltage.## Square wave.This is one of the simplest waveforms an inverter design can produce and is best suited to low-sensitivity applications such as lighting and heating. Square wave output can produce "humming" when connected to audio equipment and is generally unsuitable for sensitive electronics.## Sine wave.A power inverter.

Power inverter. device that produces a multiple step sinusoidal AC waveform is referred to as a "sine wave inverter". To more clearly distinguish the inverters with outputs of much less distortion than the "modified sine wave" (three-step) inverter designs, the manufacturers often use the phrase "pure sine wave inverter". Almost all consumer grade inverters that are sold as a "pure sine wave inverter" do not produce a smooth sine wave output at all, just a less choppy output than the square wave (two-step) and modified sine wave (three-step) inverters. However, this is not critical for most electronics as they deal with the.

Power inverter. output quite well.Where power inverter devices substitute for standard line power, a sine wave output is desirable because many electrical products are engineered to work best with a sine wave AC power source. The standard electric utility provides a sine wave, typically with minor imperfections but sometimes with significant distortion.Sine wave inverters with more than three steps in the wave output are more complex and have significantly higher cost than a modified sine wave, with only three steps, or square wave (one step) types of the same power handling. Switch-mode power supply (SMPS) devices, such as personal computers or DVD.

Power inverter. players, function on modified sine wave power. AC motors directly operated on non-sinusoidal power may produce extra heat, may have different speed-torque characteristics, or may produce more audible noise than when running on sinusoidal power.## Modified sine wave.The modified sine wave is the sum of two square waves, one of which is delayed one-quarter of the period with respect to the other. The result is a waveform which has voltage steps of zero, peak positive, zero, peak negative and again zero. This voltage value sequence is repeated continuously. The resultant voltage waveform better approximates the shape of a sinusoidal voltage.

Power inverter. entirely without problems, but if the item has a mains transformer, this can overheat depending on how marginally it is rated.However, the load may operate less efficiently owing to the harmonics associated with a modified sine wave and produce a humming noise during operation. This also affects the efficiency of the system as a whole, since the manufacturer's nominal conversion efficiency does not account for harmonics. Therefore, pure sine wave inverters may provide significantly higher efficiency than modified sine wave inverters.Most AC motors will run on MSW inverters with an efficiency reduction of about 20% owing to the harmonic content.

Power inverter. DC supply, in the manner of the MSN designs, but the switching takes place at a far faster rate, typically many KHz, so that the varying width of the pulses can be smoothed to create the sine wave. If a microprocessor is used to generate the switching timing, the harmonic content and efficiency can be closely controlled.## Output frequency.The AC output frequency of a power inverter device is usually the same as standard power line frequency, 50 or 60 hertz. The exception is in designs for motor driving, where a variable frequency results in a variable speed control.Also, if the.

Power inverter. output of the device or circuit is to be further conditioned (for example stepped up) then the frequency may be much higher for good transformer efficiency.## Output voltage.The AC output voltage of a power inverter is often regulated to be the same as the grid line voltage, typically 120 or 240 VAC at the distribution level, even when there are changes in the load that the inverter is driving. This allows the inverter to power numerous devices designed for standard line power.Some inverters also allow selectable or continuously variable output voltages.## Output power.A power inverter will often have an overall.

Power inverter. battery from the others.## Applications.## DC power source usage.An inverter converts the DC electricity from sources such as batteries or fuel cells to AC electricity. The electricity can be at any required voltage; in particular it can operate AC equipment designed for mains operation, or rectified to produce DC at any desired voltage.## Uninterruptible power supplies.An uninterruptible power supply (UPS) uses batteries and an inverter to supply AC power when mains power is not available. When mains power is restored, a rectifier supplies DC power to recharge the batteries.## Electric motor speed control.Inverter circuits designed to produce a variable output.

Power inverter. voltage range are often used within motor speed controllers.The DC power for the inverter section can be derived from a normal AC wall outlet or some other source. Control and feedback circuitry is used to adjust the final output of the inverter section which will ultimately determine the speed of the motor operating under its mechanical load. Motor speed control needs are numerous and include things like: industrial motor driven equipment, electric vehicles, rail transport systems, and power tools.Switching states are developed for positive, negative and zero voltages as per the patterns given in the switching Table 1. The generated.

Power inverter. gate pulses are given to each switch in accordance with the developed pattern and thus the output is obtained.## In refrigeration compressors.An inverter can be used to control the speed of the compressor motor to drive variable refrigerant flow in a refrigeration or air conditioning system to regulate system performance. Such installations are known as inverter compressors. Traditional methods of refrigeration regulation use single-speed compressors switched on and off periodically; inverter-equipped systems have a variable-frequency drive that control the speed of the motor and thus the compressor and cooling output. The variable-frequency AC from the inverter drives a brushless or.

Power inverter. induction motor, the speed of which is proportional to the frequency of the AC it is fed, so the compressor can be run at variable speeds—eliminating compressor stop-start cycles increases efficiency. A microcontroller typically monitors the temperature in the space to be cooled, and adjusts the speed of the compressor to maintain the desired temperature. The additional electronics and system hardware add cost to the equipment, but can result in substantial savings in operating costs. The first inverter air conditioners were released by Toshiba in 1981, in Japan.## Power grid.Grid-tied inverters are designed to feed into the electric power distribution.

Power inverter. hundred megawatts, are used to deliver power from high voltage direct current transmission systems to alternating current distribution systems.## Solar.A solar inverter is a balance of system (BOS) component of a photovoltaic system and can be used for both grid-connected and off-grid systems. Solar inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection.Solar micro-inverters differ from conventional inverters, as an individual micro-inverter is attached to each solar panel. This can improve the overall efficiency of the system. The output from several micro-inverters is then combined and often fed to the electrical.

Power inverter. grid.In other applications, a conventional inverter can be combined with a battery bank maintained by a solar charge controller. This combination of components is often referred to as a solar generator.Solar inverters are also used in spacecraft photovoltaic system.## Induction heating.Inverters convert low frequency main AC power to higher frequency for use in induction heating. To do this, AC power is first rectified to provide DC power. The inverter then changes the DC power to high frequency AC power. Due to the reduction in the number of DC sources employed, the structure becomes more reliable and the output voltage has.

Power inverter. higher resolution due to an increase in the number of steps so that the reference sinusoidal voltage can be better achieved. This configuration has recently become very popular in AC power supply and adjustable speed drive applications. This new inverter can avoid extra clamping diodes or voltage balancing capacitors.There are three kinds of level shifted modulation techniques, namely: Phase Opposition Disposition (POD) Alternative Phase Opposition Disposition (APOD) Phase Disposition (PD)## HVDC power transmission.With HVDC power transmission, AC power is rectified and high voltage DC power is transmitted to another location. At the receiving location, an inverter in a static inverter.

Power inverter. plant converts the power back to AC. The inverter must be synchronized with grid frequency and phase and minimize harmonic generation.## Electroshock weapons.Electroshock weapons and tasers have a DC/AC inverter to generate several tens of thousands of V AC out of a small 9 V DC battery. First the 9 V DC is converted to 400–2000 V AC with a compact high frequency transformer, which is then rectified and temporarily stored in a high voltage capacitor until a pre-set threshold voltage is reached. When the threshold (set by way of an airgap or TRIAC) is reached, the capacitor dumps its.

Power inverter. entire load into a pulse transformer which then steps it up to its final output voltage of 20–60 kV. A variant of the principle is also used in electronic flash and bug zappers, though they rely on a capacitor-based voltage multiplier to achieve their high voltage.## Miscellaneous.Typical applications for power inverters include: Portable consumer devices that allow the user to connect a battery, or set of batteries, to the device to produce AC power to run various electrical items such as lights, televisions, kitchen appliances, and power tools. Use in power generation systems such as electric utility companies or solar.

Power inverter. generating systems to convert DC power to AC power. Use within any larger electronic system where an engineering need exists for deriving an AC source from a DC source. Frequency conversion - if a user in (say) a 50 Hz country needs a 60 Hz supply to power equipment that is frequency-specific, such as a small motor or some electronics, it is possible to convert the frequency by running an inverter with a 60 Hz output from a DC source such as a 12V power supply running from the 50 Hz mains.## Circuit description.## Basic design.In one simple inverter circuit,.

Power inverter. DC power is connected to a transformer through the center tap of the primary winding. A relay switch is rapidly switched back and forth to allow current to flow back to the DC source following two alternate paths through one end of the primary winding and then the other. The alternation of the direction of current in the primary winding of the transformer produces alternating current (AC) in the secondary circuit.The electromechanical version of the switching device includes two stationary contacts and a spring supported moving contact. The spring holds the movable contact against one of the stationary contacts and.

Power inverter. provide large power handling capability in a semiconductor device, and can readily be controlled over a variable firing range.The switch in the simple inverter described above, when not coupled to an output transformer, produces a square voltage waveform due to its simple off and on nature as opposed to the sinusoidal waveform that is the usual waveform of an AC power supply. Using Fourier analysis, periodic waveforms are represented as the sum of an infinite series of sine waves. The sine wave that has the same frequency as the original waveform is called the fundamental component. The other sine waves,.

Power inverter. car that is moving can turn into a source of energy and can, with the right inverter topology (full H-bridge) charge the car battery when decelerating or braking. In a similar manner, the right topology (full H-bridge) can invert the roles of "source" and "load", that is, if for example the voltage is higher on the AC "load" side (by adding a solar inverter, similar to a gen-set, but solid state), energy can flow back into the DC "source" or battery.Based on the basic H-bridge topology, there are two different fundamental control strategies called basic frequency-variable bridge converter and PWM.

Power inverter. control. Here, in the left image of H-bridge circuit, the top left switch is named as "S1", and others are named as "S2, S3, S4" in counterclockwise order.For the basic frequency-variable bridge converter, the switches can be operated at the same frequency as the AC in the electric grid. However, it is the rate at which the switches open and close that determines the AC frequency. When S1 and S4 are on and the other two are off, the load is provided with positive voltage and vice versa. We could control the on-off states of the switches to adjust the.

Power inverter. AC magnitude and phase. We could also control the switches to eliminate certain harmonics. This includes controlling the switches to create notches, or 0-state regions, in the output waveform or adding the outputs of two or more converters in parallel that are phase shifted in respect to one another.Another method that can be used is PWM. Unlike the basic frequency-variable bridge converter, in the PWM controlling strategy, only two switches S3, S4 can operate at the frequency of the AC side or at any low frequency. The other two would switch much faster (typically 100 KHz) to create square voltages.

Power inverter. level of distortion caused by harmonics. The waveform quality of AC produced directly by H-bridge mentioned above would be not as good as we want.The issue of waveform quality can be addressed in many ways. Capacitors and inductors can be used to filter the waveform. If the design includes a transformer, filtering can be applied to the primary or the secondary side of the transformer or to both sides. Low-pass filters are applied to allow the fundamental component of the waveform to pass to the output while limiting the passage of the harmonic components. If the inverter is designed to.

Power inverter. provide power at a fixed frequency, a resonant filter can be used. For an adjustable frequency inverter, the filter must be tuned to a frequency that is above the maximum fundamental frequency.Since most loads contain inductance, feedback rectifiers or antiparallel diodes are often connected across each semiconductor switch to provide a path for the peak inductive load current when the switch is turned off. The antiparallel diodes are somewhat similar to the "freewheeling diodes" used in AC/DC converter circuits.Fourier analysis reveals that a waveform, like a square wave, that is anti-symmetrical about the 180 degree point contains only odd harmonics,.

Power inverter. simplifies the electronics, but the inductors and capacitors tend to be large and heavy. Its high efficiency makes this approach popular in large uninterruptible power supplies in data centers that run the inverter continuously in an "online" mode to avoid any switchover transient when power is lost.A closely related approach uses a ferroresonant transformer, also known as a constant voltage transformer, to remove harmonics and to store enough energy to sustain the load for a few AC cycles. This property makes them useful in standby power supplies to eliminate the switchover transient that otherwise occurs during a power failure while.

Power inverter. size and volume. In 2014, Google together with IEEE started an open competition named Little Box Challenge, with a prize money of $1,000,000, to build a (much) smaller power inverter.## History.## Early inverters.From the late nineteenth century through the middle of the twentieth century, DC-to-AC power conversion was accomplished using rotary converters or motor-generator sets (M-G sets). In the early twentieth century, vacuum tubes and gas-filled tubes began to be used as switches in inverter circuits. The most widely used type of tube was the thyratron.The origins of electromechanical inverters explain the source of the term "inverter". Early AC-to-DC converters.

Power inverter. used an induction or synchronous AC motor direct-connected to a generator (dynamo) so that the generator's commutator reversed its connections at exactly the right moments to produce DC. A later development is the synchronous converter, in which the motor and generator windings are combined into one armature, with slip rings at one end and a commutator at the other and only one field frame. The result with either is AC-in, DC-out. With an M-G set, the DC can be considered to be separately generated from the AC; with a synchronous converter, in a certain sense it can be considered to.

Power inverter. be "mechanically rectified AC". Given the right auxiliary and control equipment, an M-G set or rotary converter can be "run backwards", converting DC to AC. Hence an inverter is an inverted converter.## Controlled rectifier inverters.Since early transistors were not available with sufficient voltage and current ratings for most inverter applications, it was the 1957 introduction of the thyristor or silicon-controlled rectifier (SCR) that initiated the transition to solid state inverter circuits.The "commutation" requirements of SCRs are a key consideration in SCR circuit designs. SCRs do not turn off or "commutate" automatically when the gate control signal is shut off. They.

Power inverter. only turn off when the forward current is reduced to below the minimum holding current, which varies with each kind of SCR, through some external process. For SCRs connected to an AC power source, commutation occurs naturally every time the polarity of the source voltage reverses. SCRs connected to a DC power source usually require a means of forced commutation that forces the current to zero when commutation is required. The least complicated SCR circuits employ natural commutation rather than forced commutation. With the addition of forced commutation circuits, SCRs have been used in the types of inverter circuits described.

Power inverter. above.In applications where inverters transfer power from a DC power source to an AC power source, it is possible to use AC-to-DC controlled rectifier circuits operating in the inversion mode. In the inversion mode, a controlled rectifier circuit operates as a line commutated inverter. This type of operation can be used in HVDC power transmission systems and in regenerative braking operation of motor control systems.Another type of SCR inverter circuit is the current source input (CSI) inverter. A CSI inverter is the dual of a six-step voltage source inverter. With a current source inverter, the DC power supply is configured.

Power inverter. as a current source rather than a voltage source. The inverter SCRs are switched in a six-step sequence to direct the current to a three-phase AC load as a stepped current waveform. CSI inverter commutation methods include load commutation and parallel capacitor commutation. With both methods, the input current regulation assists the commutation. With load commutation, the load is a synchronous motor operated at a leading power factor.As they have become available in higher voltage and current ratings, semiconductors such as transistors or IGBTs that can be turned off by means of control signals have become the preferred switching components.

Power inverter. for use in inverter circuits.## Rectifier and inverter pulse numbers.Rectifier circuits are often classified by the number of current pulses that flow to the DC side of the rectifier per cycle of AC input voltage. A single-phase half-wave rectifier is a one-pulse circuit and a single-phase full-wave rectifier is a two-pulse circuit. A three-phase half-wave rectifier is a three-pulse circuit and a three-phase full-wave rectifier is a six-pulse circuit.With three-phase rectifiers, two or more rectifiers are sometimes connected in series or parallel to obtain higher voltage or current ratings. The rectifier inputs are supplied from special transformers that provide phase.

Power inverter. shifted outputs. This has the effect of phase multiplication. Six phases are obtained from two transformers, twelve phases from three transformers and so on. The associated rectifier circuits are 12-pulse rectifiers, 18-pulse rectifiers and so on...When controlled rectifier circuits are operated in the inversion mode, they would be classified by pulse number also. Rectifier circuits that have a higher pulse number have reduced harmonic content in the AC input current and reduced ripple in the DC output voltage. In the inversion mode, circuits that have a higher pulse number have lower harmonic content in the AC output voltage waveform.## Other.


Question: What is the basionym of this plant?

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Ipomopsis aggregata. herbivores on "Ipomopsis aggregata".In its first year, the plant appears as a group of leaves, which collect energy into the taproot, from which it rapidly grows in its second year.## Synonyms.Synonyms include: "Cantua aggregata" "Gilia aggregata" ## Chemistry.Patuletin glycosides can be found in "I. aggregata" as well as eupalitin and eupatolitin.## Taxonomy.Since its discovery in 1814 by Frederick Pursch, the plant has undergone many name modifications. The current scientific name of "Ipomopsis", Latin for "similar to "Ipomoea"" or morning glories, refers to its similarities between the morning glories' similar red tubular flowers. "Aggregata", "brought together" in Latin refers to its.


Question: What is the closest upper taxonomy of this plant?

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Teloschistes chrysophthalmus. Teloschistes chrysophthalmus, often referred to as the gold-eye lichen or golden-eye, is a fruticose lichen with branching lobes. Their sexual structures, apothecia, are bright-orange with spiny projections (cilia) situated around the rim. It has a global distribution, but is often localized and rare in many parts of its range. Colonies most often form along coastal areas.It is a twig species, meaning that it grows on twigs. It is rarely abundant. Several sites were discovered along the coast of England during 2012 and 2013, where the hosts include hawthorn and apple trees. In America it is known to grow on California.

Teloschistes chrysophthalmus. live oak, dwarf coyote brush, "Peritoma arborea", and magnolias.This species has been studied for anti-viral secondary metabolites and was found to contain parietin which exhibits virucidal effects against certain arenaviruses (Arenaviridae).


Question: What is the closest parent taxonomy of this bird?

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Northern fulmar. The northern fulmar (), fulmar, or Arctic fulmar is a highly abundant seabird found primarily in subarctic regions of the North Atlantic and North Pacific oceans. There has been one confirmed sighting in the Southern Hemisphere, with a single bird seen south of New Zealand. Fulmars come in one of two color morphs: a light one, with white head and body and gray wings and tail, and a dark one, which is uniformly gray. Though similar in appearance to gulls, fulmars are in fact members of the family Procellariidae, which include petrels and shearwaters.The northern fulmar and its sister species,.

Northern fulmar. "Mallemucke" that had been described and illustrated in 1675 by the German naturalist Friderich Martens in his account of his voyage to Spitzbergen. The northern fulmar is now placed in the genus "Fulmarus" that was introduced in 1826 by the English naturalist James Stephens. The genus name comes from the Old Norse "Fúlmár" meaning "foul-mew" or "foul-gull" because of the birds' habit of ejecting a foul-smelling oil. The specific epithet "" is Latin for "icy".Three subspecies are recognised: "F. g. glacialis" (Linnaeus, 1761) – the nominate race, which breeds in the high Arctic regions of the North Atlantic "F. g.


Question: What is the closest upper taxonomy of this plant?

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Erodium. Erodium is a genus of flowering plants in the botanical family Geraniaceae. The genus includes about 60 species, native to North Africa, Indomalaya, the Middle East, and Australia. They are perennials, annuals, or subshrubs, with five-petalled flowers in shades of white, pink, and purple, that strongly resemble the better-known "Geranium" (cranesbill). Cultivated plants are known as filarees or heron's bill in North America, whereas in the British Isles they are usually called storksbills.## Taxonomy.Carl Linnaeus grouped in the same genus ("Geranium"), the three similar genera "Erodium", "Geranium", and "Pelargonium". The distinction between them was made by Charles Louis L'Héritier de.


Question: In which year did this facility officially open?

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Battersea Power Station. steam turbine turbo generators, was produced by Metropolitan-Vickers in Trafford Park, Manchester. The building of the steel frame began in October 1930. Once completed, the construction of the brick cladding began, in March 1931. Until the construction of the B Station, the eastern wall of the boiler house was clad in corrugated metal sheeting as a temporary enclosure. The A Station first generated electricity in 1933, but was not completed until 1935. The total cost of its construction was £2,141,550. Between construction beginning in 1929 and 1933, there were six fatal and 201 non-fatal accidents on the site.After the end.


Question: Where is this bird native to?

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Nene (bird). The nene (Branta sandvicensis), also known as the nēnē or the Hawaiian goose, is a species of bird endemic to the Hawaiian Islands. The nene is exclusively found in the wild on the islands of Oahu, Maui, Kauai, Molokai, and Hawaii. In 1957, it was designated as the official state bird of state of Hawaii.The Hawaiian name "nēnē" comes from its soft call. The specific name "sandvicensis" refers to the Sandwich Islands, a former name for the Hawaiian Islands.## Taxonomy.The holotype specimen of "Anser sandvicensis" Vigors (List Anim. Garden Zool. Soc., ed.3, June 1833, p.4.) is held in the vertebrate.

Nene (bird). zoology collection at World Museum, National Museums Liverpool, with accession number NML-VZ T12706. The specimen was collected from the Sandwich Islands (Hawaiian Islands) and came to the Liverpool national collection via the Museum of the Zoological Society of London collection, Thomas Campbell Eyton’s collection, and Henry Baker Tristram’s collection.It is thought that the nene evolved from the Canada goose ("Branta canadensis"), which most likely arrived on the Hawaiian islands about 500,000 years ago, shortly after the island of Hawaii was formed. This ancestor is the progenitor of the nene as well as the prehistoric giant Hawaii goose ("Branta rhuax") and.

Nene (bird). nēnē-nui ("Branta hylobadistes"). The nēnē-nui was larger than the nene, varied from flightless to flighted depending on the individual, and inhabited the island of Maui. Similar fossil geese found on Oahu and Kauai may be of the same species. The giant Hawaii goose was restricted to the island of Hawaii and measured 1.2 (m) in length with a mass of 8.6 (kg), making it more than four times larger than the nene. It is believed that the herbivorous giant Hawaii goose occupied the same ecological niche as the goose-like ducks known as moa-nalo, which were not present on the Big.

Nene (bird). Island. Based on mitochondrial DNA found in fossils, all Hawaiian geese, living and extinct, are closely related to the giant Canada goose ("B. c. maxima") and dusky Canada goose ("B. c. occidentalis").## Description.The nene is a medium-sized goose at 41 (cm) tall. Although they spend most of their time on the ground, they are capable of flight, with some individuals flying daily between nesting and feeding areas. Females have a mass of 1.525 - 2.56 (kg), while males average 1.695 - 3.05 (kg), 11% larger than females. Adult males have a black head and hindneck, buff cheeks and heavily furrowed.

Nene (bird). Some populations migrated between lowland breeding grounds and montane foraging areas.The nene could at one time be found on the islands of Hawaii, Maui, Kahoolawe, Lānai, Molokai, Oʻahu and Kauai. Today, its range is restricted to Hawaii, Maui, Molokai, and Kauai. A pair arrived at the James Campbell National Wildlife Refuge on Oʻahu in January 2014; two of their offspring survived and are seen regularly on the nearby golf courses at Turtle Bay Resort.## Ecology and behavior.## Breeding.The breeding season of the nene, from August to April, is longer than that of any other goose; most eggs are laid between.

Nene (bird). November and January. Unlike most other waterfowl, the nene mates on land. Nests are built by females on a site of her choosing, in which one to five eggs are laid (average is three on Maui and Hawaii, four on Kauai). Females incubate the eggs for 29 to 32 days, while the male acts as a sentry. Goslings are precocial, able to feed on their own; they remain with their parents until the following breeding season.## Diet.The nene is a herbivore that will either graze or browse, depending on the availability of vegetation. Food items include the leaves, seeds, fruit,.

Nene (bird). and flowers of grasses and shrubs.## Conservation.The nene population stands at 2,500 birds, making it the world's rarest goose. It is believed that it was once common, with approximately 25,000 Hawaiian geese living in Hawaii when Captain James Cook arrived in 1778. Hunting and introduced predators, such as small Indian mongooses, pigs, and feral cats, reduced the population to 30 birds by 1952. The species breeds well in captivity, and has been successfully re-introduced. In 2004, it was estimated that there were 800 birds in the wild, as well as 1,000 in wildfowl collections and zoos. There is concern about.

Nene (bird). inbreeding due to the small initial population of birds. The nature reserve WWT Slimbridge, in England, was instrumental in the successful breeding of Hawaiian geese in captivity. Under the direction of conservationist Peter Scott, it was bred back from the brink of extinction during the 1950s for later re-introduction into the wild in Hawaii. There are still Hawaiian geese at Slimbridge today. They can now be found in captivity in multiple WWT centres. Successful introductions include Haleakala and Piiholo ranches on Maui.