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火炭母Polygonum chinense

时间:2013-10-30 14:14来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):火炭母 学名( Scientific Name ): Polygonum chinense L. 英文名( English Common Name ): Chinese knotweed 别名( Chinese Common Name ): 异名( Synonym ): Ampelygonum chinense (L.) Lindl. Polygonum adenopodum
中文名(Chinese Name):火炭母
学名(Scientific Name):Polygonum chinense L.
英文名(English Common Name):Chinese knotweed
别名(Chinese Common Name):
异名(Synonym):Ampelygonum chinense (L.) Lindl.  Polygonum adenopodum Samuel.  Persicaria chinensis (L.) H. Gross  Persicaria chinensis var. siamensis H. Lév.  Polygonum brachiatum Poir.  Polygonum sinense J. F. Gmel.
科属(Family & Genus):蓼科(Polygonaceae)蓼属
形态特征(Description):多年生草本,基部近木质。根状茎粗壮。茎直立,高70-100厘米,通常无毛,具纵棱,多分枝,斜上。叶卵形或长卵形,长4-10厘米,宽2-4厘米,顶端短渐尖,基部截形或宽心形,边缘全缘,两面无毛,有时下面沿叶脉疏生短柔毛,下部叶具叶柄,叶柄长1-2厘米,通常基部具叶耳,上部叶近无柄或抱茎;托叶鞘膜质,无毛,长1.5-2.5厘米,具脉纹,顶端偏斜,无缘毛。花序头状,通常数个排成圆锥状,顶生或腋生,花序梗被腺毛;苞片宽卵形,每苞内具1-3花;花被5深裂,白色或淡红色,裂片卵形,果时增大,呈肉质,蓝黑色;雄蕊8, 比花被短;花柱3, 中下部合生。瘦果宽卵形,具3棱,长3-4毫米,黑色,无光泽,包于宿存的花被。花期7-9月,果期8-10月。
分布(Distribution):产陕西、甘肃、华东、华中、华南和西南。生海拔30-2400米山谷湿地、山坡草地。日本、菲律宾、马来西亚、印度、喜马拉雅山也有。
用途(Use):根状茎供药用,清热解毒、散瘀消肿。
引自中国植物志英文版:FOC Vol. 5 Page 300
Polygonum chinense Linnaeus, Sp. Pl. 1: 363. 1753.
火炭母 huo tan mu | Polygonaceae  | Polygonum
Herbs perennial. Rhizomes stout. Stems erect, 70-100 cm tall, ligneous at base, much branched, striate, glabrous or retrorsely hispid. Petiole 1-2 cm, usually auriculate at base, upper leaves subsessile; leaf blade ovate, elliptic, or lanceolate, 4-16 × 1.5-8 cm, both surfaces glabrous or hispid, abaxially sometimes pubescent along veins, base truncate or broadly cordate, margin entire, apex shortly acuminate; ocrea tubular, 1.5-2.5 cm, membranous, glabrous, much veined, apex oblique, not ciliate. Inflorescence terminal or axillary, capitate, 3-5 mm, usually several capitula aggregated and panicle-like; peduncle densely glandular hairy; bracts broadly ovate, each 1-3-flowered. Perianth white or pinkish, 5-parted; tepals ovate, accrescent in fruit, becoming blue-black, fleshy. Stamens 8, included. Styles 3, connate to below middle. Achenes included in persistent perianth, black, opaque, broadly ovoid, trigonous, 3-4 mm. Fl. Jul-Nov, fr. Jul-Dec. 2n = 22*.
Wet valleys, grassy slopes, mixed forests, thickets in valleys, mountain slopes; sea level to 3000 m. Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, S Shaanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Bhutan, India, Indonesia, Japan, Malaysia, Myanmar, Nepal, Philippines, Sikkim, Thailand, Vietnam].
 


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