Definition of papilionaceous in English:
Relating to or denoting leguminous plants of a group (subfamily Papilionoideae or family Papilionaceae) with flowers that resemble a butterfly.
- 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.
Definition of papilionaceous in:
- US English dictionary