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Dinghushan | Family List | Papilionaceae | Pachyrhizus

Pachyrhizus erosus (L.) Urb.

沙葛

Description from Flora of China

Dolichos erosus Linnaeus, Sp. Pl. 2: 726. 1753; Pachyrhi­zus angulatus Richard ex Candolle, nom. illeg. superfl.

Vines, robust, twining. Root tubers 10-20 cm in diam. Leaflets rhombic or ovate, 4-18 × 4-20 cm, upper margin often somewhat dentate or lobed, lateral ones very oblique, sparsely pubescent abaxially. Racemes axillary, 15-30 cm; flowers 3-5 at thickened nodes. Calyx campanulate, 9-11 mm, adpressed pilose. Corolla purplish or pink; standard suborbicular, 15-20 mm, with yellow-green spot and 2 thickenings near base; wings falcate, auriculate; keel subfalcate, 15-20 mm. Ovary yellowish hirsute; style curved. Legumes 7.5-13 × 1.2-1.5 cm, com­pressed, hirsute. Seeds 8-10, subsquare. Fl. Aug, fr. Nov.

This species is used as a vegetable.

Cultivated. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hu­nan, Sichuan, Taiwan, Yunnan [native to tropical America; widely culti­vated in tropical regions].

生活型: 藤本

栽培植物: 栽培

特征: 缠绕草质藤本;

花期: 10

生境: 见于草塘、栽培作物

用途: 块根生食、熟食或制淀 粉;种子有毒,可作杀虫剂及供工业制皂用;花可解酒毒,治酒毒烦渴、肠风下血

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: 豆薯、葛薯


 

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