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Corolla yellow, often becoming brownish-orange; standard 9–13 × 8–12 mm, widely obovate to suborbicular, sparsely to densely silky pubescent or tomentose outside; wings 8–10 × 2.5–5 mm, oblong to obovate-oblong, with rows of folds between the upper veins, usually with some brown hairs near the apex; keel a little shorter than the wings, curved, the petals with a claw shorter than the blade width, blade semi-orbicular with a crest near base, glabrous or with some bristles along the lower margin.
Leaves usually well spaced; leaflets elliptic-lanceolate to obovate-elliptic, sparsely pilose to silky tomentose above and beneath, the terminal leaflets 12–30 × 5–13 mm, mostly 2.5–5 times as long as the petiole; petiole 3–10(15) mm long; stipules 4–10(12) × 1.5–5 mm, lanceolate to ovate, acuminate, free or joined only at the base.
Stems numerous, prostrate, ascending or shortly erect, slender, up to 40 cm long and mostly less than 1 mm in diameter, up to 2.5 mm in diameter at the base, subappressed or spreading golden-brown or greyish hairy.
Inflorescence leaf-opposed, pedunculate, racemose or subumbelliform, 1–5(6)-flowered; peduncle 0.8–8(10) cm long; bracts 2–8 mm long, lanceolate to linear.
Calyx 5–9 mm long, pilose to silky tomentose outside; the upper lip 2-lobed to near the base with the lobes lanceolate.
Pod 25–40 × 3.5–5.5 mm, oblong, flat, spreading or subappressed pubescent, c. 8–15-seeded.
Seeds 1.5–2 × 1.1–1.5 mm, compressed, oblong-ovoid to oblong-cordate, dark brown.
Low diffuse perennial with a woody taproot.
