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Racemes 3–10 cm long, laxly 8–30-flowered; bracts leaf-like, 5–9 mm long, lanceolate, acuminate, narrowed to a slight stalk, mostly exceeding the flowers and fruits; bracteoles 0.
Leaves 3-foliolate; leaflets 5–15 × 1–4 mm, linear-oblanceolate to oblong-oblanceolate, mostly obtuse, thinly pilose on both surfaces; petiole 1–5 mm long; stipules 0.
Calyx 3.5–4.5 mm long, pilose; lobes narrowly triangular-lanceolate, 2.5–3 times as long as the tube.
Erect annual 10–40 cm tall; stem slender, sometimes with ascending branches, densely pilose.
Pod sessile, 4 mm long, globose-ellipsoid, 2-seeded (ovules 4–6).
Seeds 1.5 mm long, ± cordiform, smooth.
