Leaves shortly petiolate, 1-foliolate; leaflets mostly 3–10 × 0.8–3 cm, ovate to oblong-lanceolate, the upper ones longer and narrower, pilose, usually thinly so, on both surfaces; stipules 6–10(12) mm long, linear or filiform.
A compact bushy herb. It is an annual plant. It grows 30 cm high. The whole plant is hairy. The leaves are long. The flowers are yellow or purple with dark veins. The fruit are pods less than 1 cm long.
Standard subcircular, pale yellow, purplish veined; wings exceeding the keel; keel 5–6(8) mm long, strongly rounded about the middle, with a straight or slightly incurved beak.
Racemes up to 2–5 cm long, subsessile, dense, many-flowered; bracts up to 7–14(17) mm long, linear or filiform; bracteoles inserted at base of the calyx, similar.
Calyx 5–6 mm long, becoming basally truncate and deflexed against the pedicel, sparsely hirsute; lobes attenuate-triangular, much longer than the tube.
Shortly erect annual with long decumbent lower branches, thinly covered with long bristly spreading hairs.
Pod 6–7 mm long, sessile, subglobose, slightly compressed laterally, densely hirsute, (1)3–6-seeded.
Seeds 2–3 mm long, oblique-cordiform, wrinkled, reddish-brown.