This perennial herb has twining or trailing stems which can reach 1.2 meters in length. The leaves are made up of three leaflets measuring up to 3 to 3.5 centimeters long. The inflorescence is a raceme of up to 15 flowers. The flowers are yellow with purple or brown veining and measure up to 8 millimeters long. The fruit is one or two centimeters long.
This common plant is used as animal forage.