头状花序:菊科(向日葵) Capitulum(Head): the sunflower family ⊙ E.M. Armstrong 2002 corolla of corolla of ray flower disk flower ovary phyllaries receptacle peduncle Capitulum(Head) http://waynesword.palomaredu/terminfl.htmhttp://waynesword.palomar.edu/terminf1.htm 头状花序：菊科（向日葵） Capitulum (Head): the sunflower family