羊蹄Rumex japonicus
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.
（责任编辑：徐晔春）
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.
（责任编辑：徐晔春）
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