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珠芽蓼Polygonum viviparum

时间:2013-10-30 14:18来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):珠芽蓼 学名( Scientific Name ): Polygonum viviparum L. 英文名( English Common Name ): alpine bistort 别名( Chinese Common Name ): 异名( Synonym ): Persicaria vivipara (L.) Ronse Decr. Polygonum renii L
中文名(Chinese Name):珠芽蓼
学名(Scientific Name):Polygonum viviparum L.
英文名(English Common Name):alpine bistort
别名(Chinese Common Name):
异名(Synonym):Persicaria vivipara (L.) Ronse Decr.  Polygonum renii L. C. Wang  Bistorta viviparum var. angustifolia Nakai  Polygonum fugax Small  Polygonum macounii Small ex Macoun  Polygonum viviparum var. alpinum Wahlenb.  Polygonum viviparum var. macounii (Small ex Macoun) Hultén
科属(Family & Genus):蓼科(Polygonaceae)蓼属
形态特征(Description):多年生草本。根状茎粗壮,弯曲,黑褐色,直径1-2厘米。茎直立,高15-60厘米,不分枝,通常2-4条自根状茎发出。基生叶长圆形或卵状披针形,长3-10厘米,宽0.5-3厘米,顶端尖或渐尖,基部圆形、近心形或楔形,两面无毛,边缘脉端增厚。外卷,具长叶柄;茎生叶较小披针形,近无柄;托叶鞘筒状,膜质,下部绿色,上部褐色,偏斜,开裂,无缘毛。总状花序呈穗状,顶生,紧密,下部生珠芽;苞片卵形,膜质,每苞内具1-2花;花梗细弱;花被5深裂,白色或淡红色。花被片椭圆形,长2-3毫米;雄蕊8, 花丝不等长;花柱3, 下部合生,柱头头状。瘦果卵形,具3棱,深褐色,有光泽,长约2毫米,包于宿存花被内。花期5-7月,果期7-9月。
分布(Distribution):产东北、华北、河南、西北及西南,生海拔1200-5100米山坡林下、高山或亚高山草甸。朝鲜、日本、蒙古、高加索、哈萨克斯坦、印度、欧洲及北美也有。
用途(Use):根状茎入药,清热解毒,止血散瘀。
引自中国植物志英文版:FOC Vol. 5 Page 294
Polygonum viviparum Linnaeus, Sp. Pl. 1: 360. 1753.
珠芽拳参 zhu ya quan shen  | Polygonaceae  | Polygonum
Herbs perennial. Rhizomes black-brown, contorted, large, 1-2 cm in diam. Stems usually 2 or 3 from rhizome, erect, 15-60 cm tall, simple. Basal leaves long petiolate; leaf blade linear, ovate-lanceolate, or oblong, 3-10 × 0.2-3 cm, leathery, base rounded or cuneate, margin slightly involute, apex acute. Cauline leaves shortly petiolate or subsessile; leaf blade lanceolate smaller than basal ones; ocrea: lower part green, upper part brown, tubular, oblique, membranous, not ciliate. Inflorescence terminal, spicate, lower part with bulbils; bracts ovate, membranous. Perianth white or pinkish, 5-parted; tepals broadly elliptic, 2-3 mm. Stamens usually 8. Styles 3, connate at base. Achenes included in persistent perianth, dark brown, shiny, ovoid, trigonous, ca. 2 mm. Fl. May-Jul, fr. Jul-Sep. 2n = ca. 12*.
Forest margins, grassy slopes, alpine steppes; 1200-5100 m. Gansu, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Xinjiang, Xizang, Yunnan [Bhutan, India, Japan, Kazakhstan, Korea, Kyrgyzstan, Mongolia, Myanmar, Nepal, Russia, Sikkim, Tajikistan, Thailand; SW Asia, Europe, North America].
 




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