Shrublets, erect, many branched. Branchlets cylindric, adpressed pubescent when young, becoming glabrous or subglabrous. Leaves digitately 3-foliolate; stipules lanceolate, 0.6-1 cm, apex long mucronate, usually persistent; petiole 0.7-3 cm, wingless, pubescent; leaflets thinly leathery; terminal leaflet obovate to obovate-oblong, 2-5.5 × 0.8-2 cm, both surfaces densely adpressed villous when young, gradually glabrescent, with sparse sessile glands, basal veins 3, lateral veins 3 or 4 pairs, base cuneate, apex obtuse with mucro; lateral leaflets smaller, obliquely elliptic, sessile or subsessile. Panicles axillary or terminal; inflorescence axis 2.5-6.5 cm, slender, villous or clothed with glandular hairs; bracts linear, small, persistent. Flowers 5-7 mm. Calyx pubescent; lobes lanceolate, longer than tube. Corolla longer than calyx; standard almost orbicular, clawed, auriculate; wings oblong, clawed, one with auricle; keel almost semiorbicular, clawed, with inconspicuous auricle on one side, apex mucronate. Legume 8-12 × 5-8 mm, villous. Seeds 2, black, suborbicular, ca. 2 mm in diam. Fl. Dec-Feb, fr. Feb-May.
Mountain slopes, plains, roadsides. Savannah and lower mixed forests, also in grassy places in cultivated land.
Can be grown by seedlings. Seeds needs soaking.