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papilionaceous Syllabification: pa·pil·i·o·na·ceous
Pronunciation: /pəˌpilēəˈnāSHəs/

Definition of papilionaceous in English:


Of, relating to, or denoting leguminous plants of a group (subfamily Papilionoideae or family Papilionaceae) with flowers that resemble a butterfly.
Example sentences
  • The flowers have a typical papilionaceous corolla.
  • Flowers of normal plants are typically papilionaceous with a large standard petal, two free-wing petals, and two fused-keel petals.
  • The corolla of Trigonellinae is typically papilionaceous, comprising a standard petal, two wing petals and a keel made up of two marginally fused petals.


Mid 17th century: from modern Latin Papilionaceae (plural), based on Latin papilio 'butterfly', + -ous.

Definition of papilionaceous in:
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