23. Hedysarum sikkimense Bentham ex Baker in J. D. Hooker, Fl. Brit. India. 2: 145. 1876.
锡金岩黄耆 xi jin yan huang qi
Hedysarum limprichtii Ulbrich; H. sikkimense var. rigidum Handel-Mazzetti; H. sikkimense var. xiangchengense L. Z. Shue.
Herbs, perennial, 5-100 cm tall. Stems several to caespitose, ascending to erect. Stipules broadly lanceolate, 6-8(-12) mm, connate farther than middle. Leaves 5-7(-15) cm, (13-)17-23-foliolate; leaflet blades ovate-oblong, (0.7-)1.3-1.6 × (0.3-)0.9 cm, abaxially pilose along veins and margin, adaxially glabrous. Racemes secund, dense, with many flowers; bracts lanceolate-ovate, ± as long as pedicel; peduncle longer than leaves. Pedicel 2-3 mm. Calyx campanulate, 4-6(-8) mm, pilose; teeth narrowly lanceolate, ± as long as to slightly longer than tube, most abaxial tooth slightly longer than others. Corolla purple to violet; standard long obovate, 1.2-1.4 cm; wings ± as long as standard; keel 1-3 mm longer than standard. Ovary densely pubescent. Legume with 1 or 2 articles; articles obovoid, 8-9 × 6-7 mm, compressed, pubescent, margin irregularly dentate. Fl. Jul-Aug, fr. Aug-Sep. 2n = 14*.
Alpine gravelly areas, alpine meadows, forests; 3100-4500 m. S Gansu, S Qinghai, W Sichuan, E Xizang, NW Yunnan [Bhutan, India (Sikkim), E Nepal].