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戟叶蓼Polygonum thunbergii

时间:2013-10-30 13:56来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):戟叶蓼 学名( Scientific Name ): Polygonum thunbergii Sieb. et Zucc. 英文名( English Common Name ): 别名( Chinese Common Name ): 水麻 异名( Synonym ): Persicaria thunbergii (Siebold et Zucc.) H. Gross P
中文名(Chinese Name):戟叶蓼
学名(Scientific Name):Polygonum thunbergii Sieb. et Zucc.
英文名(English Common Name):
别名(Chinese Common Name):水麻
异名(Synonym):Persicaria thunbergii (Siebold et Zucc.) H. Gross  Persicaria sinica Migo  Polygonum pteropus Hance  Polygonum stellato-tomentosum W. W. Sm. et Ramas  Polygonum sinicum (Migo) W. P. Fang et Zheng  Tracaulon thunbergii (Siebold et Zucc.) Greene  Truellum thunbergii (Siebold et Zucc.) Soják  Persicaria thunbergii var. stolonifera (F. Schmidt) H. Gross ex Nakai  Polygonum thunbergii var. stoloniferum (F. Schmidt) Makino  Polygonum stoloniferum F. Schmidt  Polygonum hastatotrilobum Meissn.  Helxine aritolia Rafin.  Helxine arifolia Raf.  Persicaria hastato-triloba Okuyama  Polygonum stellatotomentosum W.W. Sm. & Ramasw.
科属(Family & Genus):蓼科Polygonaceae蓼属Polygonum
形态特征(Description):一年生草本。茎直立或上升,具纵棱,沿棱具倒生皮刺,基部外倾,节部生根,高30-90厘米。叶戟形,长4-8厘米,宽2-4厘米,顶端渐尖,基部截形或近心形,两面疏生刺毛,极少具稀疏的星状毛,边缘具短缘毛,中部裂片卵形或宽卵形,侧生裂片较小,卵形,叶柄长2-5厘米,具倒生皮刺,通常具狭翅;托叶鞘膜质,边缘具叶状翅,翅近全缘,具粗缘毛。花序头状,顶生或腋生,分枝,花序梗具腺毛及短柔毛;苞片披针形,顶端渐尖,边缘具缘毛,每苞内具2-3花;花梗无毛,比苞片短,花被5深裂,淡红色或白色,花被片椭圆形,长3-4毫米;雄蕊8,成2轮,比花被短;花柱3,中下部合生,柱头头状。瘦果宽卵形,具3棱,黄褐色,无光泽,长3-3.5毫米,包于宿存花被内。花期7-9月,果期8-10月。
分布(Distribution):产东北、华北、陕西、甘肃、华东、华中、华南及四川、贵州、云南。生山谷湿地、山坡草丛,海拔90-2400米。分布于朝鲜、日本、俄罗斯(远东)。
用途(Use):
引自中国植物志英文版:FOC Vol. 5 Page 311     
戟叶蓼 ji ye liao | Polygonaceae  | Polygonum
Polygonum arifolium Thunberg, Fl. Jap. 168. 1784, not Linnaeus (1753); Helxine arifolia Rafinesque; Persicaria sinica Migo; P. thunbergii (Siebold & Zuccarini) H. Gross; P. thunbergii var. stolonifera (F. Schmidt) H. Gross ex Nakai; Polygonum hastatotrilobum Meisner; P. pteropus Hance; P. sinicum (Migo) Fang & Zheng; P. stellatotomentosum W. W. Smith & Ramas.; P. stoloniferum F. Schmidt; P. thunbergii var. stoloniferum (F. Schmidt) Makino; Tracaulon thunbergii (Siebold & Zuccarini) Greene; Truellum thunbergii (Siebold & Zuccarini) Soják.
Herbs annual. Stems erect or ascending, 30-90 cm tall, angulate, with recurved prickles, rooting at nodes in lower part. Petiole 2-5 cm, retrorsely prickly; leaf blade hastate, both surfaces sparsely bristly, rarely stellate hairy, base subcordate or truncate, margin shortly ciliate, middle lobe ovate to broadly ovate, apex acuminate, basal lobes smaller, apex acute or obtuse; ocrea tubular, short, membranous, usually apex with green herbaceous wing, margin entire or crenate, shortly ciliate. Inflorescence capitate; peduncle branched, pubescent below, glandular hairy in upper part; bracts lanceolate, margin ciliate, each 3- or 4-flowered. Pedicels shorter than bracts, glabrous. Perianth pinkish or white, 5-parted; tepals elliptic, 3-4 mm, apex obtuse. Stamens 8, in 2 whorls, included. Styles 3, connate to below middle; stigmas capitate. Achenes included in persistent perianth, yellow-brown, opaque, broadly ovoid, trigonous, 3-3.5 mm. Fl. Jul-Sep, fr. Aug-Oct. 2n = 40*.
Wet valleys, grassy slopes; 100-2400 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, ?Hainan, Hebei, Heilongjiang, Henan, Hubei, Hunan, ?Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, ?Xizang, Yunnan, Zhejiang [Japan, Korea, Russia (Far East)].
 


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