Analysis on characteristics of Epimedium wushanense community.

【Objective】The natural community characteristics of Epimedium wushanense in southeast Guizhou were studied to provide scientific references for its resource protection and artificial planting. 【Method】Floristic composition, geographical composition, life form, structure and species diversity of Epimedium wushanense community were analyzed by quadrat survey. 【Result】The results showed that there were about 86 common vascular plants belonging to 46 families and 68genera within the community. And most of them were the distribution type of Tropical Asia(14 genera) and North Temperate(13 genera). According to Raunkiaer's life-form classification, hemicryptophyta, chamaephyte, phanerophyta and therophytes accounted for 53.5%, 26.7%, 8.1% and 4.7%, respectively. The vertical structure of the community was simple and there were only shrub layer and herb layer with a few plants between them. Shannon-Wiener index was relatively high, while both interspecific encounter index and Simpson were relatively low, which indicated that the plant community was irregular and its dominance concentrated on Epimedium wushanense. 【Conclusion】The community of Epimedium wushanense was not relatively stable and it was at the stage of population establishment.