It is an erect herb or under shrub with ascending and prostrate branches. Leaves are 3-foliolate or sometimes simple, broadly oblong or roundish; leaflets cordate, oblong, rhomboid or truncate. Flowers are pinkish or bluish, in short dense racemes. Calyx is 0.3 to 0.4 cm long and pubescent. Corolla scarcely exerted almost equaling to calyx. The pods are 1 to 3 jointed, oblong and 2.0 to 3.0 cm long. |