太白岩黄耆 tai bai yan huang qi

Hedysarum esculentum Ledebour var. taipeicum Handel-Mazzetti, Symb. Sin. 7: 562. 1933; H. vicioides Turczaninow var. taipeicum (Handel-Mazzetti) Liu ex B. H. Choi & H. Ohashi.

Herbs, perennial, 30-40 cm tall. Stems caespitose, erect. Stipules lanceolate, 1-1.2 cm, connate farther than middle. Leaves 10-13 cm, 15-27-foliolate; leaflet blades long ovate, oblong, or elliptic, 1.2-2 × 0.6-0.9 cm, abaxially pubescent, adaxially glabrous. Racemes dense, with many flowers; bracts narrowly lanceolate, ± as long as pedicel, caducous; peduncle as long as to longer than leaves. Pedicel 3-4 mm. Calyx cam­panulate, 6-8 mm, candescent; teeth lanceolate, unequal, most abaxial tooth 1.5-2 × as long as tube, lateral 2 teeth ± as long as tube, adaxial 2 teeth ca. 1/2 as long as tube. Corolla yellow; standard long obovate, 1.2-1.4 cm; wings as long as to slightly longer than standard; keel ca. 2 mm longer than standard. Ovary glabrous. Legume divided into 2-5 articles; articles obovoid to globose, 4-5 × 3-4 mm, compressed, glabrous, mar­gin narrow and irregularly dentate. Fl. Jul-Aug, fr. Aug-Sep.

● Stony slopes, meadows; 1500-3300 m. NW Hubei, Shaanxi (Qin Ling).