复合伞状花序-胡萝卜与芹菜 Compound umbel -carrot and celery umbellet involucel flower of bractlets ray pedicel involucre of bracts ⊙ E.M. Armstrong2002 peduncle compound umbel http://waynesword.palomaredu/terminfl.htm复合伞状花序－胡萝卜与芹菜 Compound umbel – carrot and celery http://waynesword.palomar.edu/terminf1.htm