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The Collaborative International Dictionary
Papilionaceous

Papilionaceous \Pa*pil`io*na"ceous\, a.

  1. Resembling the butterfly.

  2. (Bot.)

    1. Having a winged corolla somewhat resembling a butterfly, as in the blossoms of the bean and pea.

    2. Belonging to that suborder of leguminous plants (Papilionace[ae]) which includes the bean, pea, vetch, clover, and locust.

Wiktionary
papilionaceous

a. 1 Having the form of a butterfly. 2 (context botany English) Having corolla with two wings resembling those of a butterfly. 3 Of, or pertaining to the ''Papilionaceae'' family of plants.

Usage examples of "papilionaceous".

So necessary are the visits of bees to papilionaceous flowers, that I have found, by experiments published elsewhere, that their fertility is greatly diminished if these visits be prevented.

Each fillock wore eagle feathers or pallid papilionaceous rock flowers woven into her head-hair.