牛膝Achyranthes bidentata

牛膝Achyranthes bidentata

牛膝Achyranthes bidentata

中文名(Chinese Name):牛膝
学名(Scientific Name):Achyranthes bidentata Bl.
英文名(English Common Name):
别名(Chinese Common Name):牛磕膝
异名(Synonym):Achyranthes ryukyuensis Tawada;Achyranthes aspera var. fruticosa (Lam.) Boerl.;Achyranthes bidentata var. hachijoensis (Honda) H.Hara;Achyranthes bidentata var. tomentosa (Honda) H.Hara;Achyranthes chinensis Osbeck;Achyranthes fauriei f. rotundifolia Ohwi;Achyranthes fauriei var. tomentosa Honda;Achyranthes fauriei H.Lév. & Vaniot;Achyranthes hispida Moq.;Achyranthes japonica var. hachijoensis Honda;Achyranthes japonica var. katsuudakemontana Tawada;Achyranthes mollicula Nakai;Achyranthes wightiana Wall.;Centrostachys bidentata (Blume) Standl.;Centrostachys fruticosa (Lam.) Standl.;Centrostachys moquinii Standl.
科属(Family & Genus):苋科(Amaranthaceae)牛膝属
形态特征(Description):多年生草本,高70-120厘米;根圆柱形,直径5-10毫米,土黄色;茎有棱角或四方形,绿色或带紫色,有白色贴生或开展柔毛,或近无毛,分枝对生。叶片椭圆形或椭圆披针形,少数倒披针形,长4.5-12厘米,宽2-7.5厘米,顶端尾尖,尖长5-10毫米,基部楔形或宽楔形,两面有贴生或开展柔毛;叶柄长5-30毫米,有柔毛。穗状花序顶生及腋生,长3-5厘米,花期后反折;总花梗长1-2厘米,有白色柔毛;花多数,密生,长5毫米;苞片宽卵形,长2-3毫米,顶端长渐尖;小苞片刺状,长2.5-3毫米,顶端弯曲,基部两侧各有1卵形膜质小裂片,长约1毫米; 花被片披针形,长3-5毫米,光亮,顶端急尖,有1中脉;雄蕊长2-2.5毫米;退化雄蕊顶端平圆,稍有缺刻状细锯齿。胞果矩圆形,长2-2.5毫米,黄褐色,光滑。种子矩圆形,长1毫米,黄褐色。花期7-9月,果期9-10月。
分布(Distribution):除东北外全国广布。生于山坡林下,海拔200-1750米。朝鲜、苏联、印度、越南、菲律宾、马来西亚、非洲均有分布。
用途(Use):根入药,生用,活血通经;治产后腹痛,月经不调,闭经,鼻衄,虚火牙痛,脚气水肿;熟用,补肝肾,强腰膝;治腰膝酸痛,肝肾亏虚,跌打瘀痛。兽医用作治牛软脚症,跌伤断骨等。
引自中国植物志英文版FOC Vol. 5 Page 425
Achyranthes bidentata Blume, Bijdr. Fl. Ned. Ind. 545. 1826.
牛膝 niu xi | Amaranthaceae  | Achyranthes
Herbs perennial, 70-120 cm tall. Stem green or tinged purple, angulate or quadrangular, appressed or spreading pubescent, or nearly glabrous; branches opposite. Petioles 0.5-3 cm, hairy; leaf blade elliptic or elliptic-lanceolate, rarely oblanceolate, 4.5-12 × 2-7.5 cm, both surfaces annexed or spreading pubescent, base cuneate or broadly cuneate, caudate. Spikes terminal or axillary, 3-5 cm; rachis 1-2 cm, white hairy. Flowers dense, ca. 5 mm. Bracts reflexed after anthesis, broadly ovate, 2-3 mm, apex acuminate; bracteoles 2.5-3 mm, spiny, base 2-parted, apex curved. Tepals shiny, lanceolate, 3-5 mm, with a midvein, apex acute. Stamens 2-2.5 mm; pseudostaminodes slightly serrulate, apex rounded. Utricles yellowish brown, shiny, oblong, 2-2.5 mm, smooth. Seeds light brown, oblong, ca. 1 mm. Fl. Jul-Sep, fr. Sep-Oct. 2n = 42, 84*.
Hillsides; 200-1800 m. Anhui, Fujian, Hebei, Hunan, Guangxi, Guizhou, Hubei, Jiangsu, Shaanxi, Shanxi, Sichuan, Taiwan, Xizang, Zhejiang [Bhutan, India, Indonesia, Japan, Korea, Laos, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Russia, Sikkim, Thailand, Vietnam].
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