̷ ̷| ̷ ̷ ̷ ̷ ̷ ̷|nāshəs adjective
Etymology: Latin papilion-, papilio + English -aceous
1. : resembling a butterfly ; specifically : irregular and suggestive of a butterfly in shape
the corolla of many leguminous plants is papilionaceous
2.
[New Latin Papilionaceae + English -ous ]
: of or relating to the family Leguminosae