Oenothera is a genus of about 145 species of herbaceous flowering plants native to the Americas. It is the type genus of the family Onagraceae. Common names include evening primrose, suncups, and sundrops. They are not closely related to the true primroses.
The Onagraceae are a family of flowering plants known as the willowherb family or evening primrose family. They include about 650 species of herbs, shrubs, and trees in 17 genera. The family is widespread, occurring on every continent from boreal to tropical regions.
Oenothera speciosa is a species of evening primrose known by several common names, including pinkladies, pink evening primrose, showy evening primrose, Mexican primrose, amapola, and buttercups.
Oenothera biennis, the common evening-primrose, is a species of flowering plant in the family Onagraceae, native to eastern and central North America, from Newfoundland west to Alberta, southeast to Florida, and southwest to Texas, and widely naturalized elsewhere in temperate and subtropical regions. Evening primrose oil is produced from the plant.
Oenothera fruticosa, the narrowleaf evening primrose or narrow-leaved sundrops, is a species of flowering plant in the evening primrose family.
Oenothera caespitosa, known commonly as tufted evening primrose, desert evening primrose, rock-rose evening primrose, or fragrant evening primrose, is a perennial plant of the genus Oenothera native to much of western and central North America, in habitats such as talus slopes and sandy plains. It is normally night-blooming.
Oenothera rosea, also known as rosy evening-primrose, rose evening primrose, pink evening primrose, or Rose of Mexico, is a plant belonging to the genus Oenothera and native to northern Mexico and Texas.
Oenothera elata is a species of Oenothera known by the common name Hooker's evening primrose or tall evening primrose. Subspecies include hookeri, hirsutissima, longisima, jamesii, villosa and elata. It is native to much of western and central North America. The plants are quite tall, especially the hookeri subspecies, native to California, which can reach about 1.8 meters height. The plants are found along roadsides, in moist meadows, or woodland, from sea level up to 9,000 ft (2,700 m) in elevation.
Oenothera deltoides is a species of evening primrose known by several common names, including birdcage evening primrose, basket evening primrose, lion in a cage, and devil's lantern. It is native to the Southwestern United States and northern Mexico, where it grows in sandy habitats from desert to beach.
Oenothera perennis is a species of flowering plant in the family Onagraceae and is native to the eastern United States and Canada. Its common names include little evening primrose, small sundrops, and small evening primrose. Its native habitats include shaly slopes, moist or dry fields, pastures and roadsides. Oenothera perennis is a perennial herb. It has yellow flowers that open during the day and close at night. Each flower has four petals that are notched at the tip with veins radiating from the base.
Oenothera californica, known by the common name California evening primrose, is a species of flowering plant in the evening primrose family.
Oenothera laciniata is a species of flowering plant in the evening primrose family known by the common name cutleaf evening primrose. It is native to the eastern United States but it can be found in many other places as an introduced species and sometimes a noxious weed. It is reported from Hawaii, Australia, Britain, France, Korea, Japan, and other areas. This is an annual or short-lived perennial herb producing a spreading stem from a hairy rosette of deeply cut or lobed leaves. Flowers occur in the axils of leaves higher on the stem. Each flower has pale to deep yellow petals up to about 2 centimeters long which fade orange, pink, or red with age. The fruit is a cylindrical capsule up to 5 centimeters in length.
Oenothera primiveris is a species of flowering plant in the evening primrose family known by the common names yellow desert evening primrose, bottle evening-primrose, and desert evening-primrose.
Oenothera macrocarpa, the bigfruit evening primrose, Ozark sundrop or Missouri evening primrose, is a species of flowering plant in the evening primrose family Onagraceae, native to Mexico and the south-central United States, where it is found in calcareous prairies and limestone outcrops.
O. pubescens may refer to:
Oenothera albicaulis is a New World plant in the evening primrose family. It is known by the common names prairie evening-primrose, white-stem evening-primrose, whitish evening primrose, or whitest evening primrose.
Oenothera triloba, with common names stemless evening primrose and sessile evening primrose is a flowering plant in the primrose family. It is native to North America, where it is primarily found in northern Mexico and in the south-central United States. It is found in dry, open areas such as glades, prairies, and sometimes even lawns. It appears to respond positively to soil disturbance.
Oenothera berlandieri, commonly called Berlandier's sundrops, is a species of flowering plant in the evening primrose family (Onagraceae). It is native to North America, where it is found primarily in the south central region of the United States and in northern Mexico. Its natural habitat is dry prairies, often in rocky or sandy calcareous areas.
Oenothera linifolia is a species of flowering plant in the evening primrose family known by the common name threadleaf evening primrose. It is native to the southeastern United States.
