おおまつよいぐさ 大待宵草 LinksSentence search for 大待宵草Sentence search for おおまつよいぐさSentence search for オオマツヨイグサKanji details for 大, 待, 宵 and 草Edit in JMdict Noun1. large-flowered evening primrose (Oenothera glazioviana)Usually written using kana aloneOther formsオオマツヨイグサ Discussions Log in to talk about this word.