Botanist's Glossary

Evening Primrose - Oenothera biennis

  • Description
    • This biennial plant (Onagraceae family) grows to a height of 1 to 1.5 meters and has pale yellow flowers that only bloom for one day. It was introduced from North America in the 17th century and then became wild in most temperate regions, where it grows on unploughed land, in disturbed ground and waste grounds.
  • Traditions
    • Evening primrose oil, which has recently become more widely used in the West, has many medicinal properties. Rich in essential fatty acids, it has an antioxidant action in combination with Vitamin E. It is prescribed to treat eczema and certain neurological and joint conditions. It also relieves itching caused by skin irritations.
  • Properties
    • The seeds are pressed to produce evening primrose oil. Very rich in Omega-6 fatty acids, it strengthens the lipid barrier and boosts skin hydration. It also has anti-aging properties.

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