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Dinghushan | Family List | Papilionaceae | Canavalia

Canavalia gladiata (Jacq.) DC.

刀豆

Description from Flora of China

Dolichos gladiatus Jacquin, Collectanea 2: 276. 1788; Canavalia ensiformis (Linnaeus) Candolle var. gladiata (Jac­quin) Kuntze; C. gladiolata Sauer.

Herbs, climbing, several meters tall. Leaflets ovate, 8-20 × 8-12 cm, sparsely whitish or brown pubescent on both sur­faces, base rounded or cuneate, apex acuminate. Racemes 10-20-flowered; peduncles 20-25 cm. Flowers 2 or 3 clustered at each node. Calyx 15-16 mm, slightly pubescent, upper lip rounded, lower lip with 3 acute teeth. Corolla white or pink, 3-3.5 cm; petals clawed and auriculate; standard broadly elliptic, 3-3.5 × ca. 2.5 cm, emarginate; wings and keel ob­long, incurved, smaller than standard. Legumes linear-oblong, slightly curved, 20-35 × 3.5-6 cm, thickly leathery, each valve with extra rib ca. 5 mm from sutural rib. Seeds reddish brown, elliptic-oblong, ca. 3.5 × 2 cm; hilum ca. 1.5 cm. Fl. Jul-Sep, fr. Oct.

Originally cultivated in E Asia and now widely cultivated in the tropics, this plant is not known out of cultivation, except as an escape.

The legumes and seeds are edible. It is also grown as a green ma­nure and forage.

Widely cultivated in areas S of the Chang Jiang [domesticated in Asia; widely cultivated in the tropics].

生活型: 藤本

栽培植物: 栽培

特征: 缠绕藤本;花紫色

花期: 7

果期: 7

生境: 栽培

用途: 荚果供食用,但种子有毒,须煮熟去皮、浸水去毒后方可煮食;根、果及种子入药,有散瘀活血、补肾之效,治 腰痛、呃逆(荚壳)等

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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