genus Oenothera

Thesaurus

Noun

1.

genus Oenothera - chiefly North American herbs with usually nocturnal flowersOenotheradicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germinationevening-primrose family, family Onagraceae, Onagraceae - a large and widely distributed family of plants of the order Myrtales