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Dinghushan | Family List | Papilionaceae | Astragalus

Astragalus sinicus L.

紫云英

Description from Flora of China

Astragalus lotoides Pallas; A. sinicus var. macrocalyx Ulbrich.

Plants annual or short-lived perennial, sparsely covered with appressed white hairs 0.1-0.6 mm. Stems intricately branched, ascending to nearly erect or prostrate to creeping, with long internodes, up to 30 cm, sparsely hairy to subgla­brous, rooting at nodes. Leaves 2.5-10 cm; stipules 2-3 mm, free, ciliate; petiole much shorter than to as long as rest of leaf, like rachis sparsely hairy; leaflets in 3-5 pairs, obovate to ob­cordate, 5-17 × 3-13 mm, abaxially sparsely appressed hairy, adaxially glabrous or with a few scattered hairs, apex widely rounded to distinctly emarginate. Racemes umbellate, 4-10-flowered; peduncle erect, 2.5-25 cm, sparsely hairy; bracts 0.3-1 mm, ciliate. Calyx 3-5 mm, loosely to rather densely or more rarely scarcely covered with appressed, wide and flattened, white hairs 0.1-0.3 mm; teeth 1-2(-3) mm. Petals white, pink, light red, or purple, rarely creamy yellow or yellow; standard ovate, 9-14 × 5-8 mm, apex incised; wings 7-11 mm; keel 9-14 mm. Legumes with a stipe 2-3 mm, 12-20 mm, 2.5-3.5 mm high and wide, with a slender beak up to 5 mm; valves thin, blackish, loosely hairy.

Wet places, riversides, as a weed in rice fields, widespread in E Asia; 100-3000 m. Fujian, Gansu, Guangdong, Guangxi, Guizhou, He­bei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan, Taiwan, Yunnan, Zhe­jiang [Japan].

生活型: 草本

栽培植物: 栽培

特征: 一年生草本;花紫红色,

花期: 2--3

果期: 4

生境: 生于河边湿草地、田间栽培

用途: 绿肥作物,又可作饲料和蔬食;种子和全草入药,有补 气固精、益肝明目、清热解毒,祛风止咳之效,治喉痛、疔疮等

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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Flora of China  
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