Categories Wildflowers | yellow & orange flowers |Oenothera biennis Oenothera biennisCommon name(s): Common Evening-Primrose, German-Rampion, Evening Star, Sun DropSynonyme(s): N/AFamily: OnagraceaeOrigin: Canada, USA, naturalized in Europe.More infos: USDA zone 4.Related plants:Circaea lutetianaEpilobium angustifoliumEpilobium hirsutumFuchsia hybridaFuchsia magellanicaFuchsia magellanica var. araucoFuchsia triphyllaOenothera “Lemon Drop”Oenothera macrocarpaOenothera speciosa