云南地处中国西南边陲，由于有着得天独厚的自然环境和独特的地质地貌，因而造就了极为丰富的植物资源和种类，其数量为我国之冠。仅种子植物就约有14000种，约占中国此类植物总数的50%，但云南的土地面积仅有中国土地面积的4%。云南不仅植物资源丰富、种类繁多，同时，区系成 Yunnan is located in the southwestern border of China, due to its unique natural environment and unique geological features, resulting in extremely rich plant resources and species, the number of the highest in China. About only 14,000 seed plants are present, accounting for about 50% of the total number of such plants in China, but only 4% of China’s land area is covered by Yunnan. Yunnan is not only rich in plant resources, a wide range, at the same time, the faunal success