二、根茎类中药大簧 Rheum我国将大黄用于药物的年代很早,在战国时代的山海经上即有记载,神农本草经列为下品,本草纲目收于草部毒草类。大黄为多年生草本,属蓼科植物Rheum palmatum L.,Rheum officinale Bail.的干燥根茎。因其块大色黄故名“大黄”.大黄为我国特产品,以产在祁连山脉、岷山山区、四川北部、甘肃南部者为最多,在京市药肆中可买到西宁、凉州、岷州、铨水等品,一般认为凉州货及西宁货质量较好。土大黄即祁 Second, the rhizomes of traditional Chinese medicine Rheum Rheum is very early in China’s use of drugs, in the Warring States period of the mountains and seas are recorded, Shennongbong grass as the next product, Compendium of Materia Medica closed in the weeds of grass. Rhubarb is a perennial herb belonging to the dry rhizome of Rheum palmatum L., Rheum officinale Bail. Because of its large color, it is named after the “big yellow”. Rhubarb is a special product in China. It is produced in the Qilian Mountains, Mount Lushan, northern Sichuan, and southern Gansu Provinces. It can be bought in the drug store of Beijing City. State, Quzhou, Surabaya and other products are generally considered to be of good quality in Liangzhou and Xining. Rhubarb