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Oenothera drummondii, the beach evening-primrose, is a species of flowering plant in the family Onagraceae. [2] It is native to Mexico and the southeastern United States, and it has been introduced to many locations around the world. [1] It is found on coastal dunes and other disturbed sandy areas at elevations below 400 m (1,300 ft). [3]
Because the evening primrose is a light-dependent germinator, it is important that the seeds are not planted too deep into the soil, about 0.5–1.0 centimetre (0.2–0.4 in) deep. The cultivation of evening primrose is thus suitable for no-till farming, but the plants require an intense mechanical weed control. The seeds are tiny, about 0.3 ...
Oenothera rhombipetala, the four-point evening-primrose, greater four-point evening-primrose, or diamond petal primrose, is a species of flowering plant in the family Onagraceae. [2] It is native to the central United States. [1] A biennial, it is often found alongside roads. [2] It can grow up to 5 feet (1.5 metres) tall. [2]
Oenothera villosa, the hairy evening primrose, is a species of flowering plant in the family Onagraceae. [2] It is native to nearly all of the United States (except Hawaii, Alaska, Louisiana, Florida, and South Carolina), and to all Canadian provinces and the Northwest Territories.
Oenothera harringtonii is a species of flowering plant in the evening primrose family known by the common names Arkansas Valley evening primrose and Colorado Springs evening primrose. It is endemic to the state of Colorado in the United States. [1] It is named for the botanist Harold Harrington. [2]
Oenothera caespitosa at dusk, Convict Lake, Mono County CA. 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. [1]
Oenothera grandiflora L'Hér. – large-flower evening primrose (eastern North America) Oenothera jamesii Torr. & A.Gray – trumpet evening primrose (Mexico, KS, OK, TX) [68] Oenothera longissima Rydb. – long-stem evening primrose (southwestern North America) Oenothera nutans G.F.Atk. & Bartlett – nodding evening primrose (eastern North ...
Oenothera fruticosa is an evening primrose which stands in a height range of 16-36 inches and is a perennial wildflower. Leaves are alternating and lance-shaped, growing 2-3 inches and pubescent. The stem is straight, pubescent, and ranges in color from red-green. The petals are rounded and 1-2 inches long. Flowering is in spring to early summer.