Study and identification of Gaultheria yunnanensis leaves from different regions

[Objective] In order to identify and comparatively study leaves of ethnic medicine Gaultheria yunnanensis from different regions of Guizhou. [Method] Characteristics, microscopic, physical and chemical identification were studied on Gaultheria yunnanensis. [Result] There was no obvious difference in characteristics and microscopic sections among Gaultheria yunnanensis leaves from different regions. Blue fluorescence spots were observed clearly by TLC (Thin Layer Chromatography) test. [Conclusion]The study provided a basis for improvement of the quality standard of the Gaultheria yunnanensis.