Foristic study on seed plants in the Yushe National Forest Park of Guizhou Province

The Yushe National Forest Park lies in the south of Shuicheng County,western Guizhou Province. By many years of exploring,identifying, data sorting and counting, 122 families,373 genera and 923 species of seed plants have bee found. Based on the genera analysis,there are 14 areal types and 17 transformation. 105 genera belong to Tropics,accounting for 30.97% of the total,223 genera belonged to Temperate. These indicate its temperate characteristics. The elements of the flora are complicated and original in this area, and there exists many monotypic genus plants and relicspecies. Totally,there are 19 rare plants, including 2 primary national protected plants,8 secondary and 3 tertiary, and other 6 are waiting to be listed.