Herbs, perennial, 60-80 cm tall. Stems caespitose, erect. Stipules triangular-lanceolate, 5-6 mm, basally connate. Leaves 12-20 cm, 11-21-foliolate; leaflet blades oblong-ovate to ovate-lanceolate, 2-2.5(-5) × 1-1.7 cm, abaxially sparsely pubescent, adaxially glabrous. Racemes lax, with many flowers; bracts ± as long as pedicel; peduncle longer than to ± as long as leaves. Pedicel 3-4 mm. Calyx campanulate, 5-6(-11) mm; teeth linear-lanceolate, 1.5-2 × as long as tube. Corolla unknown. Legume divided into 2 or 3(or 4) articles; articles subglobose to ellipsoid, 8-12 × 7-10(-12) mm, compressed, pilose, margin 1(-3) mm and deeply dentate. Fr. Jun.
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