oenothera biennis Oenothera • Oenotheraceae · · · Info · Definitions · Synonyms · Characters · · oenothera biennis · · Text Common · · Latin · · Scripts 17 · · Length 7 · · Syllables Definitions · · · (noun) a coarse biennial of eastern North America with yellow flowers that open in the evening; naturalized in Europe. Synonyms: common evening primrose, German rampion, Oenothera biennis. · · Noun Definition 1 Synonyms · · · common evening primrose · · Synonym 1 german rampion · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074