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Standard elliptic, pale yellow, ± marked brownish, silky tomentose outside; wings a little shorter than the keel; keel 10–11 mm long, angular, with a narrow twisted beak.
Leaves 1-foliolate; leaflets mostly 20–50 × 4–10 mm, oblong-lanceolate, thinly pilose on both surfaces; petiole 2–3 mm long; stipules 0.
Calyx 6–7 mm long, densely pilose; upper lobes narrowly acuminate-triangular, 3 times as long as the tube.
Erect annual 30–50 cm tall, developing ascending branches from near the base, densely pilose.
Pod sessile, 8–10 × 6 mm, shortly ovoid-ellipsoid, pilose, 8-seeded.
Seeds 2.5 mm long, oblique-cordiform, smooth.
