Study on the Diversity of Medicinal Seed Plant Resources in Pangquangou Nature Reserve

From the aspects of the number,life type,medicinal parts and geographical elements,the diversity of medicinal seed plants in Pangquangou Nature Reserve were studied.The results showed that the medicinal plant resources in Pangquangou Nature Reserve had rich diversity.There were 598 species of medicinal seed plants belonging to 312 genera and 86 families,which accounted for 96.63%,88.63% and 76.28% of the total families,genera and species of wild medicinal seed plant resources in the nature reserve.Among them,13 species were rare and endangered medicinal plants,and 25 species were native medicinal plants in North China.There were 332 species of perennial herbs medicinal seed plants accounting for 55.43% of total medicinal seed plants in the nature reserve.In this area,the medicinal seed plants of whole seed plants and roots used for medicinal materials accounted for 50.84% and 21.40% of the total number of medicinal plants,respectively.There were 43.27% of species belonging to north temperate type.Dominant families were mainly Compositae,Rosaceae,Ranunculaceae and Fabaceae.Dominant genera were mainly Artemisia and Potentilla.The concrete suggestions for the protection,exploitation and utilization were put forward.