刺岩黄耆 ci yan huang qi

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.

Gravelly areas in steppes; ca. 1000 m. E Nei Mongol [N Mon­golia, E Russia].

This species is a good fodder plant.