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羊蹄Rumex japonicus

时间:2013-10-30 14:20来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):羊蹄 学名( Scientific Name ): Rumex japonicus Houtt. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Rumex hadroocarpus Rech.f. Rumex regelii F. Schmidt Rumex cardiocarpus
中文名(Chinese Name):羊蹄
学名(Scientific Name):Rumex japonicus Houtt.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Rumex hadroocarpus Rech.f.  Rumex regelii F. Schmidt  Rumex cardiocarpus Pamp.  Rumex crispus var. japonicus (Houtt.) Makino  Rumex crispus subsp. japonicus (Houtt.) Kitamura
科属Family & Genus):蓼科(Polygonaceae)酸模属
形态特征Description):多年生草本。茎直立,高50-100厘米,上部分枝,具沟槽。基生叶长圆形或披针状长圆形,长8-25厘米,宽3-10厘米,顶端急尖,基部圆形或心, 边缘微波状,下面沿叶脉具小突起;茎上部叶狭长圆形;叶柄长2-12厘米;托叶鞘膜质,易破裂。花序圆锥状,花两性,多花轮生;花梗细长,中下部具关节;花被片6, 淡绿色,外花被片椭圆形,长1.5-2毫米,内花被片果时增大,宽心形,长4-5毫米,顶端渐尖,基部心形,网脉明显,边缘具不整齐的小齿,齿长0.3-0.5毫米,全部具小瘤,小瘤长卵形,长2-2.5毫米。瘦果宽卵形,具3锐棱,长约2.5毫米,两端尖,暗褐色,有光泽。花期5-6月,果期6-7月。
分布(Distribution):产东北、华北、陕西、华东、华中、华南、四川及贵州,生海拔30-3400米田边路旁、河滩、沟边湿地。朝鲜、日本、俄罗斯也有。
用途(Use):根入药,清热凉血。
引自中国植物志英文版:FOC Vol. 5 Page 338
Rumex japonicus Houttuyn, Nat. Hist. 2(8): 394. 1777.
羊蹄 yang ti   | Polygonaceae  | Rumex
Rumex cardiocarpus Pampanini; R. crispus Linnaeus subsp. japonicus (Houttuyn) Kitamura; R. crispus var. japonicus (Houttuyn) Makino; R. hadroocarpus K. H. Rechinger; R. regelii F. Schmidt.
Herbs perennial. Stems erect, 50-100 cm tall, branched above, grooved, glabrous. Basal leaves: petiole 6-15 cm; leaf blade oblong or lanceolate-oblong, 8-25 × 3-8 cm, abaxially minutely papillate along veins, adaxially glabrous, base rounded, cordate, or broadly cuneate, margin slightly undulate, apex acute or obtuse; cauline leaves shortly petiolate, narrowly oblong, small; ocrea fugacious, white, membranous. Inflorescence paniculate. Flowers bisexual. Pedicel slender, articulate below middle, articulation distinct. Inner tepals enlarged in fruit; valves broadly cordate, 4-5 × 5-6 mm, all valves with narrowly ovate tubercles, conspicuously net veined, base cordate, margin irregularly denticulate, apex acute; denticles 0.3-0.5 mm. Achenes dark brown, shiny, broadly ovoid, sharply trigonous, ca. 2.5 mm, base narrow, apex acute. Fl. May-Jun, fr. Jun-Jul.
Field margins, stream banks, wet valleys; sea level to 3400 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Zhejiang [Japan, Korea, Russia (Far East)].
This species is used medicinally.
 


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