Leaflets 0.5–2.5(4.2) × 0.5–2(3) cm, broadly obovate to oblong-obovate to rotund, glabrescent or pilose above, pilose beneath especially on the veins, hairs spreading, rarely appressed (Zambia, E.A. Robinson 911); petiole 0.8–4 cm long, rhachis 2–4 mm long, petiolules 1 mm long.
Inflorescences 2–several-flowered; peduncle 5–40 mm long; rhachis 4–6 mm long; pedicels 2–5 mm long; bracteoles 1–2 mm long, lanceolate.
Seeds dark brown or black, 2–3 × 1–2 × 1–2 mm, subglobose, ovate or oblong, compressed, smooth or granular.
Calyx tube 1–2 mm long; lobes 1–2 mm long, unequal, upper pair joined for half to two-thirds their length.
Pods 2.5–4.5 cm × 2–3 mm, linear, slightly curved, covered with spreading hairs; beak 1–2 mm long.
Standard white, pink or lilac, 5–6 × 3–4 mm, obovate.
Perennial prostrate or decumbent herb.
Stems slender, terete, densely hairy.