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

6. Hedysarum flavescens Regel & Schmalhausen, Izv. Imp. Obsc. Ljubit. Estestv. Moskovsk. Univ. 34(2): 21. 1882.

乌恰岩黄耆 wu qia yan huang qi

Herbs, perennial, 30-40[-150] cm tall. Stems erect. Stip­ules lanceolate, 1-1.2 cm, basally connate. Leaves 10-15 cm, 9-13-foliolate; leaflet blades ovate-elliptic to ovate-orbicular, 1.2-1.5[-3.5] × 1-1.3[-2] cm, abaxially with appressed tri­chomes, adaxially glabrous. Racemes lax, with many flowers, distinctly longer than leaves; bracts lanceolate, slightly shorter than pedicel; peduncle longer than leaves. Pedicel 3-4 mm. Calyx shortly campanulate, 4-5 mm, pubescent; teeth subulate to triangular at base, slightly shorter than tube. Corolla yellow; standard long elliptic, 1.4-1.5 cm; wings ± as long as standard; keel ca. 2 mm longer than standard. Ovary pubescent. Legume divided into 2 or 3(or 4) articles; articles globose-ellipsoid, 5-6 mm in diam., compressed, pubescent, margin narrow and entire. Fl. Jul-Aug, fr. Aug-Sep.

Gravelly areas along rivers; 2900-3100 m. SW Xinjiang [Kazakh­stan, Kyrgyzstan, Tajikistan, Uzbekistan].

B. Fedtschenko (in Komarov, Fl. URSS 13: 278. 1948) reported this species to be 1.5 m tall, with leaflet blades 2-3.5 × 1.7-2 cm and the most abaxial calyx tooth longer than the calyx tube.

This species is a good fodder plant.


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