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

9. Desmodium concinnum Candolle, Ann. Sci. Nat. (Paris). 4: 101. 1825.

凹叶山蚂蝗 ao ye shan ma huang

Desmodium barbigerum H. Léveillé.

Shrubs, 80-150 cm tall. Young branches adpressed pu­bescent. Leaves 3-foliolate; petiole 0.8-1.3 cm, densely gray hairy; terminal leaflet blade elliptic or obovate, 4-9 × 1.5-3 cm, both surfaces adpressed pubescent, base cuneate, apex acute to obtuse-rounded, mucronate. Racemes terminal and axillary, 20-35 cm; rachis gray puberulent and hooked hairy, 2-4-flowered at each node. Pedicel ca. 1 cm, hooked hairy. Calyx 2-3.5 mm; lobes nearly equal. Corolla purple to violet; standard broadly obovate or orbicular, 5.5-7 × 5-6 mm, clawed; wings broadly obovate, 4.5-6 × ca. 3 mm, long clawed. Ovary hairy, 5- or 6-ovuled. Legume narrowly oblong, 4-6-jointed, lower suture deeply constricted near upper suture, upper suture thickened and nearly straight or slightly undulate, sparsely minutely hooked hairy. Fl. Sep-Oct, fr. Oct.

Grasslands, mountain slopes, thickets; ca. 1300 m. Guangxi, S Yunnan [Bhutan, India, Laos, Myanmar, Nepal, Pakistan, Vietnam].


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