papilionaceous

Etymology
From (from ). In scientific sense, after (family name).

Adjective

 * 1)  Pertaining to a butterfly or butterflies.
 * 2)  Having a corolla in the form of a butterfly, with prominent wing-like petals;  pertaining to the Faboidea  family of plants.
 * 3)  Like a butterfly; showy; capricious.
 * 1)  Like a butterfly; showy; capricious.