Methods By using routine methods of pharmacognosy such as freehand section and surface slice,to observe the microscopic characters of the leaves and stems of Chuanbaizhi.

• 方法采用生药学常规方法徒手切片、表面制片。使用显微描绘镜绘制组织图，同时对部分显微特征进行了显微摄影。