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Dinghushan | Family List | Papilionaceae | Vigna

Vigna angularis (Willd.) Ohwi et Ohashi

赤豆

Description from Flora of China

Dolichos angularis Willdenow, Sp. Pl. 3: 1051. 1800; Azukia angularis (Willdenow) Ohwi; Phaseolus angularis (Willdenow) W. Wight; P. nipponensis Ohwi; Vigna angularis var. nipponensis (Ohwi) Ohwi & H. Ohashi.

Annual herbs, erect or twining, 30-90 cm tall. Stems angular, sparsely pilose. Stipules peltate, lanceolate, ca. 8 mm, point of attachment elongated; leaflets ovate or rhomboid-ovate, 5-10 × 5-8 cm, sparsely pilose on both surfaces, apex broadly triangular or subrounded, lateral leaflets oblique, entire or shal­lowly 3-lobed. Racemes axillary, 5- or 6-flowered, pedunculate. Calyx campanulate, 3-4 mm. Corolla yellow, ca. 15 mm; stan­dard oblate or subreniform, apex emarginate; wings broader than keel, shortly clawed and auriculate; keel apex incurved for nearly a half circle, base clawed. Ovary linear; style curved. Legumes terete, 5-8 × 0.5-0.6 cm, glabrous or almost so. Seeds dull red or with various other colors, oblong, 5-6 × 4-5 mm, truncate or subrounded at both ends; hilum not impressed. Fl. Jun-Jul, fr. Sep-Oct.

This species is edible and is used medicinally.

Widely cultivated and also wild in China [native to Asia; intro­duced in America, Africa, and elsewhere].

生活型: 草本

栽培植物: 栽培

特征: 一年生直立草本;种子赤红色

果期: 夏月

生境: 栽培作物

用途: 种子供食用;又入药,能行血利水、解毒消肿

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

中文别名: 红豆


 

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