Herbs, perennial, 30-80 cm tall. Stems caespitose, erect. Stipules narrowly lanceolate, 1-1.3 cm, connate farther than middle. Leaves 8-16 cm, 15-19-foliolate; leaflet blades long ovate to ovate-oblong, 1.5-3 × 0.5-1 cm, abaxially sparsely pubescent, adaxially glabrous. Racemes lax, with many flowers; bracts lanceolate, 3-5 mm; peduncle as long as to longer than leaves. Pedicel 5-6 mm. Calyx obliquely campanulate, 5-6 mm, densely pubescent; teeth unequal, most abaxial tooth subulate-lanceolate and ± as long as tube, other 4 teeth lanceolate and ca. 1/2 as long as tube. Corolla yellow; standard long obovate, 1-1.2 cm; wings ± as long as standard; keel ca. 2 mm longer than standard. Ovary glabrous or pubescent. Legume divided into 2-4 articles; articles ellipsoid-obovoid, subglobose, or rhomboid, ca. 2 × 1.5 mm, compressed, glabrous, margin entire or inconspicuous. Fl. Jul-Aug, fr. Aug-Sep. 2n = 14*.
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