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Alysicarpus rugosus

Description from Flora of China

Hedysarum rugosum Willdenow, Sp. Pl. 3: 1172. 1802; Alysicarpus bracteus X. F. Gao.

Herbs, perennial. Stem erect, to 1.5 m tall, glabrous or pilose. Leaves 1-foliolate; petiole 3-9 mm, glabrous or pilose; blade oblong, rarely orbicular or linear-lanceolate, 2-6 × 0.2-1 cm, abaxially pilose and villous on veins, adaxially glabrous, base rounded, margin entire, ciliate, apex acute. Racemes termi­nal and axillary, 2-5 cm, 10-24-flowered, binate at each node. Pedicel 2-3 mm, pubescent. Calyx glabrous, 4-10 mm, longer than first article of legume. Corolla white, ca. 4 mm; standard obovate. Ovary glabrous, 3-5-ovuled. Legume moniliform, swollen, glabrous, 3-5-jointed; article broader than long, promi­nently transversely ridged, articles enclosed in calyx or slightly exserted. Fl. Sep, fr. Sep-Nov. 2n = 16*.

Moist places in dense valley forests, wasteland; 600-1200 m. ?Taiwan, NC and S Yunnan [India, Laos, Malaysia, Myanmar, Nepal, Thailand, Vietnam; throughout Old World tropics].


 

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