Papilionaceous :: Papilionaceous (a.) Having a winged corolla somewhat resembling a butterfly, as in the blossoms of the bean and pea..
Papilionaceous :: Papilionaceous (a.) Belonging to that suborder of leguminous plants (Papilionaceae) which includes the bean, pea, vetch, clover, and locust..
Papiliones :: Papiliones (n. pl.) The division of Lepidoptera which includes the butterflies.