Vigna
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Authority
Acevedo-Rodríguez, Pedro. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U. S. Natl. Herb. 51: 1-483.
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Family
Fabaceae
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Scientific Name
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Description
Description - Herbaceous vines, twining, climbing, or creeping. Leaves alternate, trifoliolate; stipules of various forms, persistent; stipels subulate. Inflorescences of axillary or terminal pseudoracemes; bracts small. Calyx campanulate, bilabiate, with 5 lobes, two of which are almost completely united; corolla yellow, pink, or pale blue, the standard rounded, the wings unguiculate, with a narrow projection or spur at the base, the keel recurved, as long as the wings; stamens 10, diadelphous, the anthers of the same size; ovary sessile, with numerous ovules, the style curved, pubescent on the distal portion, the stigma lateral. Fruit an oblong or linear legume, flattened to cylindrical, dehiscent by valves that twist on opening; seeds flattened, quadrangular or almost reniform. A genus of about 100 species, the majority of tropical Africa and Asia.