parent_taxon fallugia
Fallugia is a monotypic genus of shrub containing the single species Fallugia paradoxa , which is known by the common names Apache plume and ponil . This ___MASK27___ is native to the southwestern United States and northern Mexico , where it is found in arid habitats such as desert woodlands and scrub . A rose is a woody perennial flowering ___MASK27___ of the genus Rosa , in the family ___MASK88___ , or the flower it bears . There are over a hundred species and thousands of cultivars . They form a group of plants that can be erect shrubs , climbing or trailing with stems that are often armed with sharp prickles . Flowers vary in size and shape and are usually large and showy , in colours ranging from white through yellows and reds . Most species are native to Asia , with smaller numbers native to Europe , North America , and northwestern Africa . Species , cultivars and hybrids are all widely grown for their beauty and often are fragrant . Roses have acquired cultural significance in many societies . Rose plants range in size from compact , miniature roses , to climbers that can reach seven meters in height . Different species hybridize easily , and this has been used in the development of the wide range of garden roses . A shrub or bush is a small to medium - sized woody ___MASK27___ . It is distinguished from a tree by its multiple stems and shorter height , usually under 6 m ( 20 ft ) tall . Plants of many species may grow either into shrubs or trees , depending on their growing conditions . Small , low shrubs , generally less than 2 m ( 6 . 6 ft ) tall , such as lavender , periwinkle and most small garden varieties of roses , are often termed subshrubs . A subshrub ( Latin " suffrutex ") or dwarf shrub is a short woody ___MASK27___ . Prostrate shrub is a related term . " Subshrub " is often used interchangeably with " bush ". In botany , a tree is a perennial ___MASK27___ with an elongated stem , or trunk , supporting branches and leaves in most species . In some usages , the definition of a tree may be narrower , including only woody plants with secondary growth , plants that are usable as lumber or plants above a specified height . Trees are not a taxonomic group but include a variety of ___MASK27___ species that have independently evolved a woody trunk and branches as a way to tower above other plants to compete for sunlight . In looser senses , the taller palms , the tree ___MASK40___ , bananas and bamboos are also trees . Trees tend to be long - lived , some reaching several thousand years old . The tallest known tree , a coast redwood named Hyperion , stands high . Trees have been in existence for 370 million years . It is estimated that there are just over 3 trillion mature trees in the world . Height is the measure of vertical distance , either how " tall " something is , or how " high up " it is . For example " The height of the building is 50 m " or " The height of the airplane is 10 , 000 m ". When used to describe how high something like an airplane or mountain peak is from sea level , height is more often called altitude . Height is measured along the vertical ( y ) ___MASK56___ between a specified point and another .