桔梗来源于桔梗科植物桔梗Platycodon gra-ndiflorus(Jacq.)A.DC的干燥根。具有宣肺祛痰、利咽排脓之功效。近年来,一些地区将石竹科植物丝石竹Gypsophila oldhamiana Mig.的根充当桔梗。现将二者鉴别如下。一、性状鉴别桔梗根呈圆柱形状或纺锤形.有的分枝,略扭曲。长7～12厘米,直径1～1.5厘米。表面白色或淡黄白色,不去外皮的表面黄棕色或灰棕色。有横长的皮孔样斑痕及支 Campanulaceae is derived from the dried roots of Platycodon gra-ndiflorus (Jacq.) A. DC. With Xuanfei phlegm, Lee pharynx discharge effect. In recent years, some regions have used the root of Gypsophila oldhamiana Mig. as a carnation flower. The two are now identified as follows. First, the characteristics of identification of the roots of the balloon is cylindrical or spindle-shaped. Some branches, slightly twisted. It is 7 to 12 cm long and 1 to 1.5 cm in diameter. The surface is white or yellowish-white, and the surface of the skin is yellow-brown or gray-brown. There are horizontal lenticoid-like scars and branches