Erect or procumbent much-branched annual or short-lived perennial c. 0.1–1.2 m high, sticky on account of glandular-based setae in the indumentum. Leaves, apart from glandular hairs, with only a scale-like scarcely glandular structure between each of the 2 pairs of leaflets; leaflets obliquely elliptic or obovate, 1–4.5 x 0.8–3 cm. Racemes 1–13 cm long, with few to numerous small flowers. Sepals obtuse. Petals yellow to red or occasionally white, 5–7 mm long. Stamens 5, subequal. Pods linear-oblong, flat, (2.5–)4–5.5 x 0.6–0.8 cm, elastically dehiscent, pubescent and glandular hairy. Seeds brown to black, glossy, ovate or subrhombic, compressed, 4–5.5 x 3.4–4.5 mm.