Much-branched, deciduous shrub up to 3 m high; twigs glabrous, but sericeous when young, green, rounded and ribbed. Lvs sericeous above and below when young, sessile and usually 1-foliolate on young twigs, but 1-3-foliolate, petiolate and ± glabrous on older twigs; leaflets apetiolulate, narrowly elliptic, acute, (1)-2-12 mm long; terminal leaflet > lateral leaflets. Fls in fascicles of 1-3, axillary; pedicels 3-7 mm long. Calyx moderately hairy, bilabiate, c. 1/4 length of corolla; upper and lower lips ± entire or shallowly toothed. Corolla white, 8-12 mm long. Pod moderately to densely hairy, dark grey, oblong, 1-6-seeded, 15-35 mm long; seeds greyish brown, ellipsoid, compressed, c. 2.5-3 mm long.