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Standard elliptic to oblong-obovate, yellow, ± finely lined brown, pubescent outside; wings shorter than the keel; keel 7–8 mm long, angular, with a narrow twisted beak slightly incurved at the tip.
Leaves mostly 3-foliolate, uppermost sometimes 1-foliolate; leaflets 6–18 × 1–4 mm, oblanceolate, pilose on both surfaces; petiole 3–10 mm long; stipules 0.
Calyx 3–4 mm long, finely pubescent with irregularly arranged hairs; lobes acuminately triangular, 1–1.5 times as long as the tube.
Seeds 2–2.5 mm long, oblique-cordiform, smooth, with a pronounced aril.
Pod sessile, 4–4.5 × 3–3.5 mm, ovoid-globose, pubescent, 2-seeded.
Erect branching annual 4–9 cm tall, spreading pilose.
