昙花 Traditional form: 曇花 Pinyin (reading): tánhuā Definitions: Dutchman's pipe cactus, aka Queen of the Night cactus (Epiphyllum oxypetalum) Characters: 昙 - cloudy, overcast 花 - flower, blossom; to spend (time or money) Traditional characters: 曇 - cloudy, overcast 花 - flower, blossom; to spend (time or money)