Characteristics of Hopea chinensis Community,an Endemic and Endangered Species in Guangxi

Hopea chinensis which belongs one of the second class national protected plants,is only distributed in Shiwandashan in Guangxi.The study on the feature of Hopea chinensis community showed that:There are 265 species of vascular plants belonging to 168 genera and 82 families in 10 plots with an area of 3 200 m2.The floral composition can be divided into 11 areal types.83.7% of the genera are the tropical elements,and 13.1% are the temperate elements.According to Raunkiaer's classification system of life form,the phanerophytes are rich in this community.The appearance of community was characterized by the evergreen broadleaved phanerophytes.The community structure is complicated and could be divided into arbor,shrub and herb layer with rich interstater plants.