papilionaceous

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adjective pa·pil·i·o·na·ceous \pə-ˌpi-lē-ə-ˈnā-shəs\

Definition of papilionaceous

  1. :  having a corolla (as in the bean or pea) with usually five petals that include a large upper petal enclosing two lateral wings and a lower carina of two united petals

Origin and Etymology of papilionaceous

Latin papilion-, papilio butterfly — more at pavilion


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