辫子秦艽系龙胆科植物麻花秦艽(Gentiana straminea)的干燥根;甘西鼠尾系唇形科植物甘肃丹参(Salvia przewalskii)的干燥根,二者相似,易混淆使用,今将二者鉴别特征介绍如下。辫子秦艽:根似圆锥形,下部数小根互相扭曲缠绕,状如“麻花”或“辫子”。长8～18 cm,直径4～7 cm,表面棕色,粗糙,可见裂隙呈网状孔纹样。质松脆,易折断,断面常呈枯朽状。味苦。 The dried roots of Gentiana straminea are the dry roots of Gentiana straminea, and the dried roots of Salvia przewalskii, the Lamiaceae plant of the Gansu rat tail system. The two are similar and easy to confuse. Introduced as follows. Qin Zi Qin: The roots resemble a cone, and the lower roots are twisted and intertwined. They are like “thorns” or “scorpions.” It is 8 to 18 cm long and 4 to 7 cm in diameter. Its surface is brown and rough, and it can be seen that the cracks are reticular. The quality is crunchy, easy to break, and the section is usually rotted. Bitter taste.