Investigation of the medicinal plants in the Tongguling Nature Reserve of Hainan

Traditional route method, sample method and sample method with fixed area were used to research the medicinal plants of Tongguling Nature Reserve. The results showed that Tongguling National Nature Reserve contained a total of 644 kinds of medicinal plants, belonging to 544 genus out of 135 families. And there were 20 kinds of ferns belonging to 17 genera out of 13 families, one kind of gymnosperms, 622 kinds of angiosperm belonging to 525 genera out of 120 families. In addition, it contained 4 Peculiar plants that were only seen in hailand and 8 endangered national protected plants. Especially, Tongguling reserve medicinal plant resources showed an important position in plant community occupies. Through investigation and analysis, we found that Maclurodendron oligophlebium, Hydnocarpus hainanensis, Syzygium buxifolium were widely distributed and numerous in Tongguling reserves, and Hydnocarpus hainanensis was the national rare and protected plant. Howerer in Tongguling protection area, it was dominant species. This was the important characteristics of Tongguling reserve medicinal plant resources.