今有将黄荆子(Vitex negundo)做蔓荆子(V.rotundifolia或V.trifolia)出售,现比较鉴别如下。蔓荆子:圆球形,直径4～6mm,表面密被灰白色粉霜,有4条纵沟。底部有薄膜状宿萼及小果柄,宿萼包被果实的1/3～1/2,不易脱落。体轻,质硬,不易破碎,内藏白色种仁4枚,有油性,气芳香,味微辛。 There is a sale of Vitex negundo (V. rotundifolia or V. trifolia) which is now identified as follows. Vitex negundo: spherical, diameter 4 ~ 6mm, the surface was covered with gray powder cream, there are 4 longitudinal grooves. At the bottom, there are film-like pods and small stalks, and the pods cover 1/3 to 1/2 of the fruit and are not easy to fall off. Lightweight, hard, hard to break, contains 4 white seeds, oily, aromatic, slightly spicy.