龙骨瓣 Traditional form: 龍骨瓣 Pinyin (reading): lónggǔbàn Definitions: (botany) carina; keel (of a papilionaceous flower) Characters: 龙 - dragon; symbol of the emperor 骨 - bone; skeleton; frame, framework 瓣 - petal; segment; valve Traditional characters: 龍 - dragon; symbol of the emperor 骨 - bone; skeleton; frame, framework 瓣 - petal; segment; valve