The genus Vigna are plants of the family Fabaceae. The genus is so named by the Italian botanist Domenico Vigna who discovered it in the seventeenth century. Includes popular species of legumes used in human food. This bean variety is smaller than normal, barely reaching the centimeter. Its color is yellowish white or white and has a black mask or stain on its side. They are annual, erect or braided herbs that reach a size of 30-90 cm in height. Stems angular, sparsely hairy. Stipules pellets, lanceolate, of 8 mm, the point of attachment elongated; Ovate, 5-10 x 5-8 cm, sparsely hairy on both surfaces, broadly triangular apex, lateral leaflets oblique, whole or slightly with three lobes. Inflorescences in axillary clusters with 5 or 6 flowers, with peduncles. Flared calyx, 3-4 mm. 15 mm yellow corolla. Cylindrical vegetables, 5-8 x 0.5-0.6 cm, glabrous or almost. Seeds of a red opaque or other colors, oblong, 5-6 x 4-5 mm, truncate at the ends.