Vigna monantha Thulin

A herb. It has trailing stems. It keeps growing from year to year. It has a tuber and stems grow from this 50 cm long. The stems are hairy. The leaves have 3 leaflets. They are a narrow triangle shape and 2-4 cm long by 1-1.6 cm wide. The end leaflet has 3 lobes. The flowers are blue. The fruit is a pod 5.5 cm long by 3 mm wide. They are hairy.

It is a tropical plant. In Somalia it grows between 50-150 m altitude.