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Dinghushan | Family List | Papilionaceae | Rhynchosia

Rhynchosia volubilis Lour.


Description from Flora of China

Herbs. Stems twining, ribbed, densely gray to light yellow villous. Leaves pinnately or sometimes almost digitately 3-foliolate; stipules small, lanceolate, 3-5 mm, pubescent; petiole 2-5.5 cm; petiolules 2-4 mm; leaflets papery; terminal leaflet rhomboid or obovate-rhomboid, 3-8 × 3-5.5 cm, both surfaces gray or light yellow villous, with yellow-brown sessile glands, basal veins 3, base rounded or broadly cuneate, apex obtuse or acute, usually mucronate; lateral leaflets smaller, usually oblique. Racemes 1-3 per axil, 1.5-4 cm; peduncle ca. 2 mm. Flowers ca. 1 cm, slightly clustered. Calyx campanulate, ca. 5 mm; lobes lanceolate, exterior pubescent and with glands. Co­rolla yellow; standard subcircular, with wide and inflexed auri­cles; wings obovate-oblong, base with 1 long auricle at one side; keels beaked. Ovary hairy, with clustered glands. Legume reddish purple, oblong, 1-1.5 × ca. 0.8 cm, extremely com­pressed, slightly constricted between seeds, sparsely hairy to almost glabrous, apex with small beak. Seeds usually 2, black, lustrous, elliptic or subreniform. Fl. May-Aug, fr. Sep-Dec. 2n = 22.

This plant is used medicinally.

Mountains south of the Chang Jiang; 200-1000 m. Guangdong, Hai­nan, Taiwan [Japan, Korea, Vietnam].

生活型: 藤本

栽培植物: 野生

特征: 草质缠绕藤本;

花期: 4

果期: 冬月

生境: 生于平地灌丛、路旁

用途: 豆可食,又同叶入药,能镇咳去痰、去风止痛、解毒杀虫,可治牙痛、头痛、刀伤、乳痛等

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

中文别名: 老鼠眼、山黑豆


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Flora of China  
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