papilionaceous — eVjdqyh;
Papilionaceous — Resembling the butterfly.
Papilionaceous — Having a winged corolla somewhat resembling a butterfly, as in the blossoms of the bean and pea.
Papilionaceous — Belonging to that suborder of leguminous plants (Papilionaceae) which includes the bean, pea, vetch, clover, and locust.