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Illustration of Oenothera biennis. Oenothera biennis usually has a life span of two years growing to 1.6 m (5 ft 3 in) tall in the seeding year. [7] The leaves are lanceolate, 8–18 cm (3–7 in) long and 2–6 cm (3 ⁄ 4 – 2 + 1 ⁄ 4 in) wide, [7] produced in a tight rosette the first year, and spirally on a stem the second year. However ...
Certain Oenothera plants have edible parts. The roots of O. biennis are reportedly edible in young plants. So are the flowers which have a sweet, crunchy taste. [20] The common evening primrose, O. biennis, is commonly sold as a dietary supplement in capsules containing the seed oil. [21]
The leaves are commonly opposite or whorled, but are spirally arranged in some species; in most, they are simple and lanceolate in shape. The pollen grains in many genera are loosely held together by viscin threads.
Oenothera neomexicana (Small) Munz – New Mexico evening primrose (Arizona, New Mexico) [6] Oenothera nuttallii Sweet – Nuttall's evening primrose (central North America) [7] Oenothera pallida Lindl. – pale evening primrose, white buttercup (western North America) [8] O. pallida ssp. gypsophila (Eastw.) Munz & W.M.Klein – whitepole ...
Oenothera gaura, formerly known as Gaura biennis, the biennial gaura or biennial beeblossom, is a North American flowering plant that can reach 6 ft (1.8 m) in height at maturity. Its upper half is made up of flowering stems, which are covered with soft, white hairs.
[2] [3] [4] Gaura is now a synonym of Oenothera, [5] with the bulk of the Gaura taxa in genus Oenothera sect. Gaura (L.) W.L.Wagner &Hoch. [6] Gauras are annual, biennial or perennial herbaceous plants; most are perennials with sturdy rhizomes, often forming dense thickets, crowding or shading out other plant species. They have a basal rosette ...
One of the important food crops of the ancient Inca empire. Leaves were eaten as a leaf vegetable or used raw in salads. [179] Morinda citrifolia: Noni tree: Known as bai-yo in Thai cuisine the leaves are cooked with coconut milk in a curry. [180] Moringa oleifera: Drumstick tree: Leaves are very popular in South Asia for curries and omelettes ...
The seed oil of Oenothera biennis (evening primrose) is a source of GLA. From GLA, the body forms dihomo-γ-linolenic acid (DGLA). This is one of the body's three sources of eicosanoids (along with AA and EPA.) DGLA is the precursor of the prostaglandin PGH 1, which in turn forms PGE 1 and the thromboxane TXA 1.