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FOC | Family List | FOC Vol. 10 | Fabaceae | Hedysarum

21. Hedysarum algidum L. Z. Shue in W. T. Wang et al., Vasc. Pl. Hengduan Mts. 1: 974. 1993.

块茎岩黄耆 kuai jing yan huang qi

Herbs, perennial, 5-20 cm tall. Rhizome inflated torose. Stems several, ascending. Stipules lanceolate, 6-10 mm, con­nate farther than middle. Leaves 4-8 cm, 5-13-foliolate; leaflet blades obovate, elliptic, or suborbicular, 8-10 × 4-7 mm, abax­ially appressed pubescent, adaxially glabrous. Racemes lax, with 6-12 flowers; bracts obovate, slightly longer than pedicel, apex obtuse and usually dentate; peduncle conspicuously longer than leaves. Pedicel 3-4 mm. Calyx campanulate, 5-6 mm, pi­lose; teeth triangular-lanceolate, ± as long to 1.5 × as long as tube, most abaxial tooth slightly longer than others. Corolla pur­ple; standard obovate, 1.3-2.4 cm; wings ± as long as standard; keel slightly longer than standard. Ovary pubescent. Legume divided into 2-4 articles; articles ovoid to ellipsoid, 5-6 × 4-5 mm, compressed, pubescent, margin narrow and denticulate. Fl. Jul-Aug, fr. Aug-Sep.

● Alpine meadows, alpine gravelly areas; 3000-4500 m. SW Gansu, Qinghai, Sichuan, E Xizang, Yunnan.

1 Corolla standard 1.3-1.6 cm; calyx teeth ± as long as tube; leaflet blades obovate to elliptic.   21a var. algidum
+ Corolla standard (1.8-)2-2.4 cm; calyx teeth 1.2-1.5 × as long as tube; leaflet blades suborbicular.   21b var. speciosum

Lower Taxa


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