Herbs, perennial, ca. 75 cm tall. Stems caespitose, erect. Stipules triangular-lanceolate, 1-1.5 cm, connate farther than middle. Leaves 8-12 cm, 27-33-foliolate; leaflet blades ovate-oblong, 1.4-1.7 × 0.4-0.5 cm, abaxially usually pubescent along veins, adaxially glabrous. Racemes lax, with many flowers; bracts subulate-lanceolate, ca. 1.5 × as long as pedicel; peduncle longer than leaves. Pedicel 2-3 mm. Calyx campanulate, 5-6 mm, pubescent; teeth lanceolate-triangular, ca. 1/2 as long as tube, most abaxial tooth slightly longer than others. Corolla yellow; standard long obovate, ca. 1.2 cm; wings slightly longer than standard; keel 2-3 mm longer than standard. Ovary pubescent. Legume divided into 2 or 3 articles; articles subglobose, 3-4 mm in diam., compressed, pubescent, margin narrow and entire. Fl. Jul-Aug, fr. Aug-Sep.
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