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广豆根与北豆根临床上统称为山豆根。山豆根药载于《开宝本草》,原植物为豆科槐属柔枝槐Sophora Subprostrata Chun ef T.主产广西,所以,称为广豆根。另一种是蝙蝠(虫葛),载于《中国药植志》,原植物为防己科蝙蝠(虫葛)属蝙蝠(虫葛)Menispermum dauricum DC.主产于辽宁、吉林、黑龙江、内蒙古、河北、山东、山西等地,所以称为北豆根。山豆根是属于全国性同名异物的混乱品种之一,中国药典1977年版对这两个品种都已收载。 [性状](1)广豆根:本品根茎呈不规则的结节状,顶端常残存茎基,其下着生数条根。根为长圆柱形,常有分枝,长短不等,略弯曲,直径0.7～1.5厘米,表面棕色至棕褐色,有不规则的纵皱纹及突起的横向皮孔。质坚硬,难折断,断面皮部浅棕色,木部淡黄色。有豆腥气,味极苦。(2)北豆根:本品干燥根茎
Broad bean root and Northern bean root are collectively known as Shandougen. Shandougen is contained in Kaibao Materia Medica. The original plant is Sophora Subprostrata Chun ef T., which is mainly produced in Guangxi. Therefore, it is called Guangdou root. The other species is bat (Bombyx), which is contained in “Chinese Medicine Zhizhi”. The original plant is bat (Pesticide) and Manispermum dauricum DC. is mainly produced in Liaoning, Jilin, Heilongjiang and Inner Mongolia. Hebei, Shandong, Shanxi and other places, so called North bean root. Shandougen is one of the chaotic varieties that belong to the national common name foreign body. The 1977 edition of the Chinese Pharmacopoeia has been included in both varieties. [Characteristics] (1) Broad bean root: The rhizome of the product is irregularly nodular, with the stem often remaining at the top and several roots under it. The roots are long cylindrical, often branched, varying in length, slightly curved, 0.7-1.5 cm in diameter, brown to tan on the surface, with irregular longitudinal wrinkles and raised transverse lenticels. Hard, hard to break, light brown leather section, light yellow wood. There is glutinous, extremely bitter taste. (2) Northern bean root: dry rhizome of this product