evening primrose

any of several plants of the family Onagraceae

• enchanter's nightshade — any of several erect perennial rhizomatous herbs of the genus Circaea having white flowers that open at dawn; northern hemisphere
• common evening primrose, German rampion, Oenothera biennis — a coarse biennial of eastern North America with yellow flowers that open in the evening; naturalized in Europe
• sundrops, Oenothera fruticosa — a day-flowering biennial or perennial of the genus Oenothera
• Missouri primrose, Ozark sundrops, Oenothera macrocarpa — evening-opening primrose of south central United States

• herb, herbaceous plant — a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

• Onagraceae, family Onagraceae, evening-primrose family — a large and widely distributed family of plants of the order Myrtales