Leaves shortly petiolate, mostly 3-foliolate with the uppermost often 1-foliolate; leaflets mostly 3–10 × 1.2–3.5 cm, elliptic-lanceolate or elliptic to oblong-ovate, chartaceous, with slightly prominent venation, glossy and glabrous above except on midvein, sericeous beneath; stipules 2.5–6 mm long, subulate or linear.
Standard subcircular or oblate, yellow tinged brownish or purplish, tomentellous outside; wings shorter than the keel; keel semicircular, crested behind the short beak, 1.2–1.6 cm long, sometimes hairy towards the lower margin.
Racemes terminal, on reduced uppermost lateral branches and sometimes axillary, with 6–16 flowers rather closely arranged above; bracts 4–7 mm long, attenuate-subulate or linear; bracteoles near top of pedicel, filiform.
Calyx 1–1.2 cm long, densely puberulous to tomentellous; lobes narrowly attenuate-triangular, ± twice as long as the tube.
Pod 2.5–3.2 cm long, orange-brown velvety tomentellous outside, densely pubescent inside, maturing 3–8(12) seeds.
Bushy woody herb or small shrub, up to 2 m tall; branches tomentose.
Seeds 3–4 mm long, oblique-cordiform, granulate or smooth, brown.