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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]
Pollen itself is not the male gamete. [4] It is a gametophyte, something that could be considered an entire organism, which then produces the male gamete.Each pollen grain contains vegetative (non-reproductive) cells (only a single cell in most flowering plants but several in other seed plants) and a generative (reproductive) cell.
Oenothera speciosa is a herbaceous perennial wildflower.It has glabrous (smooth) to pubescent stems that grow to 50 centimetres (20 inches) in height. The pubescent leaves are alternate with very short or no petiole (sessile), reaching 10 cm (4 in) long to 4 cm (1 + 1 ⁄ 2 in) broad.
The primrose moth (Schinia florida) is a common consumer of Oenothera biennis. The adults lay eggs on the flower, and the emerging caterpillars feed on the plant. Pink wing tips reveal Schinia florida in the flower of the evening primrose. Primrose moth, Schinia florida, on an evening primrose, petals have been removed to reveal the insect.
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.
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.
Circaea lutetiana, known as broad-leaved enchanter's nightshade, [1] is a plant in the evening primrose family, Onagraceae.. The genus name comes from the enchantress Circe of Greek mythology and the specific designation is derived from Lutetia, the Latin name for Paris, which was sometimes referred to as the "Witch City".
Oenothera pallida, the pale evening-primrose, is a species of flowering plant in the family Onagraceae. [2] It is native to British Columbia, the western United States, and northern Mexico. [ 1 ] Flowers start out white and fade to pink.