Hooker's Evening Primrose
Oenothera elata subsp. hirsutissima
Common name: Hooker's Evening Primrose
Latin name: Oenothera elata subsp. hirsutissima
Height: 3-4 feet
Description: Beautiful 5 cm wide yellow flowers with slightly heart-shaped petals open about an hour before sunset and wither the next morning as the weather heats up.
Leaf: Stalks arch high from a basal rosette of leaves and have 1-16" tongue-like hairy leaves along the length of the stalk.
Range: California including Mojave and Sonoran deserts and Great Basin Province.
Habitat: Moist places, generally inland
Elevation: < 2800 m.
Flowering time: May-Sept
Notes: Oenothera elata ssp. hirsutissima, a dicot, is a perennial herb that is native to California and is also found outside of California, but is confined to western North America. It does well as a background plant with some moisture and reseeds plentifully.
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