Herbs, perennial, 20-25 cm tall. Stems numerous, ascending to decumbent. Stipules ovate-lanceolate, 6-8 mm, connate farther than middle. Leaves 8-15 cm, 9-17-foliolate; leaflet blades oblong to lanceolate-ovate, 1.2-2.2 × 0.4-0.6 cm, abaxially densely appressed pubescent, adaxially glabrous. Racemes dense, capitate to ovoid, with many flowers; bracts lanceolate, slightly longer than pedicel; peduncle longer than leaves. Pedicel ca. 1 mm. Calyx campanulate, 5-6 mm, pubescent; teeth lanceolate-subulate, 2-3 × as long as tube. Corolla pale yellow; standard obovate, 1.2-1.3 cm; wings ca. 4/5 as long as standard; keel ca. 1 mm longer than standard. Ovary pubescent. Legume divided into 3-7 articles; articles subglobose, inflated, pubescent, prickly, margin inconspicuous. Fl. Jul-Aug, fr. Aug-Sep.
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