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Dinghushan | Family List | Papilionaceae | Vigna

Vigna umbellata (Thunb.) Ohwi


Description from Flora of China

Dolichos umbellatus Thunberg, Trans. Linn. Soc. London 2: 339. 1794; Azukia umbellata (Thunberg) Ohwi; Phaseolus calcaratus Roxburgh; P. chrysanthus Savi; P. pubescens Blume; Vigna calcarata (Roxburgh) Kurz.

Annual twining herbs. Stems slender, 1 m or more, pilose with yellow hairs when young, later glabrescent. Stipules pel­tate, lanceolate or ovate-lanceolate, 10-15 mm; leaflets ovate or lanceolate, 10-13 × 5-7.5 cm, sparsely pubescent on veins of both surfaces, base broadly cuneate or obtuse, entire or slightly lobed, 3-veined from base, apex acute. Racemes axillary, 2- or 3-flowered; bracts lanceolate; pedicels short. Calyx campanu­late, 3-4 mm; teeth deltoid. Corolla yellow; standard oblong, ca. 1.5 cm, apex emarginate; wings obovate. Legumes linear-terete, 6-10 × ca. 0.5 cm, glabrous. Seeds 6-10, dull red, brown, black, or speckled, oblong, 4-9 × 3-3.5 mm. Fl. May-Aug.

Wild or cultivated. Guangdong, Guangxi, Hainan, Taiwan, Yunnan [Japan, Korea, Philippines; SE Asia; widely cultivated in tropical re­gions].

生活型: 草本

栽培植物: 栽培

特征: 一年生草本;

花期: 9

生境: 栽培

用途: 种子供食用;可入药,利水行血、去湿消肿,治水肿、痢疾腹泻、痈疽肿毒

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲


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