Oenothera biennis
(Redirected from Evening Primrose Oil)
Oenothera biennis, commonly known as the Evening Primrose, is a species of flowering plant native to North America. It is a biennial plant, meaning it completes its lifecycle over two years. The plant is well-known for its medicinal properties and is widely used in traditional medicine.
Description[edit | edit source]
The Oenothera biennis plant typically grows to a height of 30-150 cm. It has lanceolate leaves that are 5-20 cm long and 1-2.5 cm wide. The flowers are hermaphrodite, with four yellow petals that are 1-2 cm long. The fruit is a capsule 2-4 cm long and 4-6 mm broad, containing numerous 1-2 mm long seeds.
Distribution and Habitat[edit | edit source]
Oenothera biennis is native to eastern and central North America, from Newfoundland west to Alberta, southeast to Florida, and southwest to Texas. It is found in a variety of habitats, including dry, open woods, prairies, and disturbed areas.
Uses[edit | edit source]
The plant has a long history of medicinal use. The leaves, roots, and seed pods are all used in traditional medicine. The oil extracted from the seeds of Oenothera biennis, known as Evening Primrose Oil, is particularly valued for its high concentration of gamma-linolenic acid (GLA), a type of essential fatty acid.
Cultivation[edit | edit source]
Oenothera biennis is a hardy plant that can grow in a variety of soil types, although it prefers well-drained soil. It is drought-tolerant and can grow in full sun to partial shade.
Research[edit | edit source]
Research into the medicinal properties of Oenothera biennis has focused on the potential benefits of its oil. Studies have suggested that Evening Primrose Oil may have anti-inflammatory effects, and it has been investigated as a potential treatment for conditions such as eczema, rheumatoid arthritis, and premenstrual syndrome.
See Also[edit | edit source]
References[edit | edit source]
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