Effect Composition Characteristics and Resource Assessment of Medicinal Seed Plants in Longdi Nature Reserve in Southwestern Hunan

The medicinal plants of the Longdi Nature Reserve from the seeds of medicinal plant species,medicinal function and picking parts of the plants,and the medicinal plant resources in Longdi Nature Reserve were analyzed and evaluated.The result showed:In the area,there are medicinal plant seeds in 879 species 579 genus 174 families,covering 92.55%,66.63% and 40.43% of the area flora respectively,covering16.16% of medicinal plant seeds of whole country.In the 879 species of medicinal plants,woody covers 47.90%.The medicinal effect covers 21 categories of medicinal prevention and treatment of disease and average for each type of plant has 5.31 medicinal functions.Therefore,medicinal plants have both specificity,but also a broad spectrum.10 species of plant organs,such as branches,leaves,roots,root skin and the whole plant,can be used as medicinal materials,which take the largest proportion in the whole plant.The resources of medicinal plants is rich in genetic diversity,species diversity,medicinal use of diversity and the diversity of plant organs have a high medicinal value.It is an important raw material of Chinese herbal medicines brewed,but also an important industrial raw material medicine.Meanwhile,in this paper,the sustainable use of medicinal plants were also recommended.