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Dinghushan | Family List | Polygonaceae | Polygonum

Polygonum barbatum L.

毛蓼

Description from Flora of China

Persicaria barbata (Linnaeus) H. Hara; P. omerostroma (Ohki) Sasaki; Polygonum kotoshoense Ohki; P. omerostromum Ohki.

Herbs perennial, rhizomatous. Stems erect, 40-90 cm tall, robust, pubescent, simple or branched above. Petiole 5-8 mm, densely hispidulous; leaf blade lanceolate or elliptic-lanceolate, 7-15 × 1.5-4 cm, both surfaces pubescent, base cuneate, margin ciliate, apex acuminate; ocrea tubular, 1.5-2 cm, membranous, densely hispidulous, apex truncate, cilia 1.5-2 cm. Inflorescence terminal, spicate, erect, 4-8 cm, several spikes aggregated and panicle-like, rarely solitary; bracts funnel-shaped, glabrous, margin ciliate, each 3-5-flowered. Pedicel short. Perianth white or greenish, 5-parted; tepals elliptic, 1.5-2 mm. Stamens 5-8, included. Styles 3; stigmas capitate. Achenes included in persistent perianth, black, shiny, ovoid, trigonous, 1.5-2 mm. Fl. Aug-Sep, fr. Sep-Oct. 2n = 60.

Streamsides, wet areas, water sides; sea level to 1300 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Sichuan, Taiwan, Yunnan [Bhutan, India, Indonesia, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Sikkim, Sri Lanka, Thailand, Vietnam].

生活型: 草本

栽培植物: 野生

特征: 一年生直立草本;花白色

花期: 7--8

生境: 生于水旁、耕地、路旁湿地

用途: 全草拔毒生肌,治疮疖脓肿

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


 

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