7. Hedysarum semenovii Regel & Herder, Bull. Soc. Imp. Naturalistes Moscou. 39(2): 39. 1866.
天山岩黄耆 tian shan yan huang qi
Hedysarum junatovii Yakovlev.
Herbs, perennial, 40-60[-120] cm tall. Stems caespitose, erect. Stipules lanceolate, 1-1.5 cm, connate less than to middle. Leaves 10-15 cm, 9-15-foliolate; leaflet blades ovate to elliptic, 2.5-3.5 × 1.5-2.2 cm, abaxially with appressed trichomes, adaxially glabrous. Racemes ± dense, ± as long as leaves, with many flowers; bracts narrowly lanceolate, slightly shorter than leaves; peduncle ± as long as leaves. Pedicel 4-5 mm. Calyx campanulate, ca. 5 mm, glabrous or pubescent at base; teeth subulate, ± equal, pubescent. Corolla yellow; standard long obovate, 1.2-1.4 cm; wings ± as long as standard; keel ca. 2 mm longer than standard. Ovary appressed pubescent. Legume divided into 3 or 4 articles; articles globose, ellipsoid, or obovoid, 6-7 mm in diam., compressed, pubescent to subglabrous, margin irregularly dentate. Fl. Jul-Aug, fr. Aug-Sep.
Gravelly or stony slopes; 1400-1900 m. Xinjiang (Tian Shan) [Kazakhstan, Kyrgyzstan].
B. Fedtschenko (in Komarov, Fl. URSS 13: 278. 1948) reported this species to be 50-120 cm tall and (in fig. 47-9) the most abaxial calyx tooth to be only slightly longer than the calyx tube.
