Standard elliptic, yellow, lined and later flushed reddish-brown, pubescent near the apex outside; wings a little shorter than the keel; keel 1.1–1.3 cm long, angular, with a narrow twisted beak.
Leaves 3-foliolate; leaflets 2–5 × 0.7–2 cm, elliptic to elliptic-oblong, appressed pubescent beneath; petiole 1.5–3.5 cm long; stipules 2–3 mm long, linear-subulate.
Calyx 6–7 mm long, appressed pubescent; upper lobes narrowly attenuate-triangular, 2–2.5 times as long as the tube.
Pod subsessile, 13–15 × 7–8 mm, oblong-ellipsoid to oblong-obovoid, pubescent, c. 12–16-seeded.
Erect annual, 30–40 cm tall, with densely subappressed pubescent branches.
Mature seeds not seen.