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

15. Desmodium griffithianum Bentham in Miquel, Pl. Jungh. 222. 1852.

疏果山蚂蝗 shu guo shan ma huang

Desmodium griffithianum var. leiocarpum X. F. Gao & C. Chen; D. oxalidifolium H. Léveillé, p.p.

Subshrubs or herbs, prostrate or ascending, 30-60 cm tall. Branches spreading yellow-brown or rust-colored pubes­cent. Leaves 3-foliolate; petiole 0.6-2.6 cm, densely hairy as branches; leaflet blade obtriangular-ovate or obovate, 1-2.5 × 1-1.6 cm, abaxially adpressed puberulent, adaxially subgla­brous, base cuneate, apex truncate. Racemes terminal, ca. 10 cm, rachis hairy as branches. Flowers dichotomous. Pedicel 3-5 mm, hairy as branches. Calyx 3-3.5 mm; tube 1-1.3 mm; lower lobes triangular, upper lobes distinctly 2-toothed at apex. Corol­la purple-red, ca. 7 mm; standard nearly orbicular, clawed; wings oblong, shortly clawed; keel smaller than wings, clawed. Ovary strigose; style glabrous. Legume deflexed, nearly oblong, 1-1.5 cm × 2.5-3.5 mm, lower suture constricted, upper suture straight, 3- or 4-jointed; articles nearly quadrate, with hooked and straight rigid hairs. Fl. and fr. Aug-Sep. 2n = 22.

Grassy slopes, roadsides, Pinus forests; 1500-2300 m. Guizhou, Sichuan, Yunnan [India, Laos, Myanmar, Thailand, Vietnam].


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