Leaves simple; blade 4–9 × 0.3–1 cm, linear-lanceolate to oblong-elliptic, thinly strigulose with submedifixed hairs beneath and usually also above; petiole 1–3 mm long; stipules 1–2 mm long, linear-subulate.
Standard obovate, yellow, lined reddish, puberulous apically outside; wings shorter than the keel; keel 1.1–1.3 cm long, angular with a long straight twisted beak.
Racemes laxly (4)8–20(26)-flowered; bracts 1–4 mm long, linear to linear-lanceolate, bracteoles usually adnate to the calyx, 1–2.5 mm long, linear.
Annual, erect to 70 cm, laxly branched; branches strigulose with colourless hairs having a brown point of attachment a little above the base.
Pod 2.2–2.8 × 0.5–0.6 cm, oblong-clavate, narrowed to the 2–4 mm long stipe, strigulose, c. 20–26-seeded.
Calyx 5–7 mm long, strigulose; upper lobes narrowly attenuate-triangular, ± twice as long as the tube.
Seeds 2–2.5 mm long, oblique-cordiform, smooth, greyish or brownish-green.