区系地理成分可分为10种类型，热带分布的属占绝对优势，达94.89%。
The floral composition can be divided into 10 areal types, of which the tropical element is 94.89%.
根据单位面积种类数量的比较，属种的地理成分分析和相似性系数的研究等结果。
Ac-cording to the results of the comparison with the species number per unit area, the analysis of geographical elements of the genera and species and the study on the similarity coefficients etc.
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