Home
Standard obovate to oblate, pale yellow, marked red at the base inside, lined red outside, tomentellous outside or elsewhere sometimes puberulous only near the apex; wings longer than the keel; keel 4–5 mm long, subangular, with a tapered twisted beak.
Terminal racemes 6–25 cm long, laxly 10–40-flowered, shorter on lateral branches, sometimes developing a few flowers in the axils below; bracts 1–4 mm long, shortly linear-elliptic to linear-subulate; pedicel 1.5–4 mm long, with setaceous bracteoles.
Erect annual 20–120 cm tall; stem slender, often with numerous ascending branches and shorter flowering branches above, usually densely silvery appressed pubescent, elsewhere sometimes sparsely puberulous to subglabrous.
Leaves mostly 3-foliolate, uppermost sometimes 1-foliolate; leaflets 10–20(30) × 0.5–2.5(4) mm, linear-oblanceolate, appressed puberulous beneath; petiole 1–7(12) mm long; stipules 0.
Calyx 3–3.5 mm long, usually silvery tomentellous, elsewhere sometimes subglabrous; upper lobes rather broadly triangular, often slightly acuminate, ± twice as long as the tube.
Pod sessile, 4–5 × 3.5–4 mm, ovoid-globose, puberulous, 2-seeded.
Seeds 2.5–3 mm long, rounded-cordiform.
