Ads
related to: growing evening primrose from seed video youtube playlist free
Search results
Results From The WOW.Com Content Network
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]
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.
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]
The main phytochemical in this evening primrose seed oil is gamma-linolenic acid. [21] There is no high-quality scientific evidence that O. biennis or evening primrose oil has any effect on human diseases or promotion of health, [21] [22] and specifically no evidence that it is effective to treat atopic dermatitis or cancer.
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.
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 [ 4 ] in 17 genera. [ 5 ] The family is widespread, occurring on every continent from boreal to tropical regions.
Oenothera glazioviana is a species of flowering plant in the evening primrose family known by the common names large-flowered evening-primrose [1] and redsepal evening primrose. [2] Oenothera lamarckiana was formerly believed to be a different species, but is now regarded as a synonym of Oe. glazioviana .
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.