湿地岩黄耆 shi di yan huang qi

Hedysarum connatum (B. Fedtschenko) B. Fedtschenko; H. obscurum Linnaeus var. connatum B. Fedtschenko; H. ob­scurum var. inundatum (Turczaninow) B. Fedtschenko.

Herbs, perennial, 10-15[-40] cm tall. Stems ascending to erect. Stipules lanceolate, 1-1.5 cm, connate farther than mid­dle. Leaves 7-12 cm, 11-17-foliolate; leaflet blades ovate to oblong, 1.2-1.7 × 0.6-0.9 cm, abaxially sparsely pubescent, adaxially glabrous. Racemes dense, with many flowers; bracts lanceolate, slightly longer than pedicel; peduncle slightly longer than leaves. Pedicel 2-3 mm. Calyx campanulate, 4-5 mm, pu­bescent; teeth triangular, ± equal, ca. 1/2 as long as tube. Co­rolla purple; standard long obovate, 1.4-1.6(-1.8) cm; wings slightly shorter than standard, straight or slightly curved down­ward at apex; keel shorter than standard and wings. Ovary gla­brous. Legume divided into 3 or 4 loments, inconspicuously constricted between articles at abaxial suture; articles ellip­soid, 5-6 × 4-5 mm, compressed, glabrous, margin entire. Fl. Jun-Jul, fr. Jul-Aug. 2n = 8.

Subalpine meadows; 2500-3000 m. Hebei (Xiaowutai Shan), N Shanxi [Russia (E Siberia)].

B. Fedtschenko (in Komarov, Fl. URSS 13: 270. 1948) reported this species to be 20-40 cm tall.