Definition of papilionaceous in English:


Line breaks: pa¦pil¦ion|aceous
Pronunciation: /pəˌpɪlɪəˈneɪʃəs


  • Relating to or denoting leguminous plants of a group (subfamily Papilionoideae or family Papilionaceae) with flowers that resemble a butterfly.
    More 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.

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