Papilionaceous
Pronunciation : Pa*pil`io*na"ceous
Part of Speech : a.
Definition : 1. Resembling the butterfly.
2. (Bot.) (a) Having a winged corolla somewhat resembling a butterfly, as in the blossoms of the bean and pea. (b) Belonging to that suborder of leguminous plants (Papilionace?) which includes the bean, pea, vetch, clover, and locust.
Source : Webster's Unabridged Dictionary, 1913