- Onagraceae, family Onagraceae, evening-primrose family - a large and widely distributed family of plants of the order Myrtales
--1 is a kind of rosid dicot family
--1 is a member of Myrtales, order Myrtales, Thymelaeales, order Thymelaeales
--1 has members:Circaea, genus Circaea; Epilobium, genus Epilobium; genus Fuchsia; Oenothera, genus Oenothera; evening primrose