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杠板归Polygonum perfoliatum

时间:2013-10-30 14:18来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):杠板归 学名( Scientific Name ): Polygonum perfoliatum L. 英文名( English Common Name ): Asiatic tearthumb 别名( Chinese Common Name ): 贯叶蓼 异名( Synonym ): Ampelygonum perfoliatum (L.) Roberty et Va
中文名(Chinese Name):杠板归
学名(Scientific Name):Polygonum perfoliatum L.
英文名(English Common Name):Asiatic tearthumb
别名(Chinese Common Name):贯叶蓼
异名(Synonym):Ampelygonum perfoliatum (L.) Roberty et Vautier  Echinocaulon perfoliatum (L.) Meisn. ex Hassk.  Persicaria perfoliata (L.) H. Gross  Chylocalyx perfoliatus (L.) Hassk. ex Miq.  Tracaulon perfoliatum (L.) Greene  Truellum perfoliatum (L.) Soják  Fagopyrum perfoliatum (L.) Raf.
科属Family & Genus):蓼科(Polygonaceae)蓼属
形态特征Description):一年生草本。茎攀援,多分枝,长1-2米,具纵棱,沿棱具稀疏的倒生皮刺。叶三角形,长3-7厘米,宽2-5厘米,顶端钝或微尖,基部截形或微心形,薄纸质,上面无毛,下面沿叶脉疏生皮刺;叶柄与叶片近等长,具倒生皮刺,盾状着生于叶片的近基部;托叶鞘叶状,草质,绿色,圆形或近圆形,穿叶,直径1.5-3厘米。总状花序呈短穗状,不分枝顶生或腋生,长1-3厘米;苞片卵圆形,每苞片内具花2-4朵;花被5深裂,白色或淡红色,花被片椭圆形,长约3毫米,果时增大,呈肉质,深蓝色;雄蕊8,略短于花被;花柱3,中上部合生;柱头头状。瘦果球形,直径3-4毫米,黑色,有光泽,包于宿存花被内。花期6-8月,果期7-10月。
分布(Distribution):大部分省区有分布,生海拔80-2300米田边、路旁、山谷湿地。朝鲜、日本、印度尼西亚、菲律宾、印度及俄罗斯也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 5 Page 311
Polygonum perfoliatum Linnaeus, Syst. Nat., ed. 10. 2: 1006. 1759.
杠板归 gang ban gui| Polygonaceae  | Polygonum
Ampelygonum perfoliatum (Linnaeus) Roberty & Vautier; Chylocalyx perfoliatus (Linnaeus) Hasskarl ex Miquel; Echinocaulon perfoliatum (Linnaeus) Meisner ex Hasskarl; Fagopyrum perfoliatum (Linnaeus) Rafinesque; Persicaria perfoliata (Linnaeus) H. Gross; Tracaulon perfoliatum (Linnaeus) Greene; Truellum perfoliatum (Linnaeus) Soják.
Herbs annual. Stems trailing, red-brown, 0.8-2 m, branched, angulate, with retrorse prickles along angles. Petiole 3-8 cm, sparsely retrorsely prickly; leaf blade triangular-peltate, 4-6 × 5-8 cm, abaxially usually sparsely retrorsely prickly along veins, adaxially glabrous, base truncate or subcordate, apex subacute; ocrea tubular, with green herbaceous orbicular wing at apex, 1.5-3 cm in diam. Inflorescence terminal or axillary, spicate, 1-3 cm; bracts ovate-orbicular, each 2-4-flowered. Perianth white or pinkish, 5-parted; tepals elliptic, ca. 3 mm, in fruit dark blue, accrescent, fleshy. Stamens 8, in 2 whorls, included. Styles 3, connate at middle. Achenes included in persistent perianth, black, shiny, globose, 3-4 mm in diam. Fl. Jun-Aug, fr. Jul-Oct.
Near fields and roads, wet valleys; 100-2300 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 [Bangladesh, Bhutan, India, Indonesia, Japan, Korea, Malaysia, Nepal, New Guinea, Philippines, Russia (Far East), Sikkim, Thailand, Vietnam; SW Asia; introduced in North America].
 


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