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二、根茎类中药知母 Rhizoma Anemarrhenae知母(Anemarrhma asphodeloides Bunge)本草经列为中品,本草纲目入山草类。为百合种植物,药用其地下根茎。宿根之旁,初生子根,状如蚔蟲,故称蚔母,俗称知母。知母是中国原不,仅限于我国北部,自內蒙大青山、山西之盂县、临汾,至河北易县(西陵)、赞皇、宜化一带。于山野自生,生产量及蕴藏量均大。其他甘肃、陕西亦有出产。现江苏徐州等地有栽培品。知母不限于气候和土壤都能生长,栽培亦易.知母为扭状,稍压扁,有分歧。长8—15厘米,粗1—1.5厘米。根头带有叶痕并有切除去的残茎,下面有不规则并列着的根痕,外面黄棕色,有横皱、(?)皱及细毛茸,质稍柔软,折断面为淡黄色,味微苦而甘.
Second, rhizomes TCM Rhizoma Anemarrhenae Anemarrhenae (Anemarrhma asphodeloides Bunge) Herbal as a medium product, the materia medica into the grass. Lily plant, medicinal use of its underground rhizomes. Beside the perennial roots, the newborn’s roots are shaped like maggots, so they are called aunts, commonly known as Anemarrhena. Anemarrhena is not originally in China, but is limited to northern China, from Daqingshan in Inner Mongolia, Jixian County in Shanxi Province, Linyi, to Yi County (Ziling), Zanhuang, and Yihua in Hebei Province. It is self-produced in the mountains, and its production volume and reserves are large. Other Gansu and Shaanxi also produced. Xuzhou, Jiangsu and other places are now cultivated goods. Anemarrhena is not limited to the climate and soil can grow, cultivation is also easy. Zhimu is twisted, slightly flattened, there are differences. 8-15 cm long and 1 - 1.5 cm thick. Roots with leaf scars and stumps removed, with irregularly juxtaposed root scars, yellow-brown outside, wrinkled, wrinkled, and finely hairy, slightly soft, with yellowish folds. The taste is slightly bitter and sweet.