Common evening-primrose
Oenothera biennis, the common evening-primrose, is a species of flowering plant in the family Onagraceae, native to eastern and central North America, from Newfoundland west to Alberta, southeast to Florida, and southwest to Texas, and widely naturalized elsewhere in temperate and subtropical regions. Evening primrose oil is produced from the plant.
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Research Mentions
Evening-primrose spotted in Ashfield draws sphinx moths and native bees
Common evening-primrose growing along roadsides and disturbed ground near you is a powerful polli...
Native evening-primrose spotted thriving along Wisconsin's Ice Age Trail
The yellow flowers that pop open at dusk along your evening trail walk aren't just pretty, they'r...