oenothera : Idioms & Phrases
genus oenothera
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noun chiefly North American herbs with usually nocturnal flowers
Oenothera.
WordNet
oenothera biennis
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noun a coarse biennial of eastern North America with yellow flowers that open in the evening; naturalized in Europe
German rampion; common evening primrose.
WordNet
oenothera fruticosa
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noun a day-flowering biennial or perennial of the genus Oenothera
sundrops.
WordNet
oenothera macrocarpa
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noun evening-opening primrose of south central United States
Ozark sundrops; Missouri primrose.