heteromorphic
Het`er*o*mor"phic, a. Etym: [Hetero- + Gr. (Biol.) Defn: Deviating from the normal, perfect, or mature form; having different forms at different stages of existence, or in different individuals of the same species; -- applied especially to insects in which there is a wide difference of form between the larva and the adult, and to plants having more than one form of flower.