The Collaborative International Dictionary
Heterophyllous
Heterophyllous \Het`er*oph"yl*lous\, a. [Gr. ? other + ? leaf: cf. F. h['e]t['e]rophylle.] (Bot.) Having leaves of more than one shape on the same plant.
Wiktionary
heterophyllous
a. (context botany English) Having leaves of different types upon the same plant