catalán
papilionàcies Leguminous plants whose flowers have butterfly-shaped corollas; commonly included in the family Leguminosae.
1
This tree belongs to the natural order Leguminosae, sub-order Papilionaceae.
2
The flowers of the Papilionaceae attracted his attention early, and were the subject of his first paper on fertilisation.
3
Papilionaceae; it could, however, in the absence of experimental proof, be regarded only as a "working hypothesis."