Abstract: The investigation and analysis were carried out on the distribution and characters of Bombax ceiba in Hainan Province,and a preliminary classification standard was formed.According to the investigation,Bombax ceiba possessed rich diversity in ornamental characters and enormous potential in selective breeding.The results of principal component analysis and cluster analysis showed that the size of flower should be set as the first standard of classification,and the flower color as the second one and the bifurcation height of stamen as the third one.

Key words: Hainan province, Bombax ceiba, resource investigation, classification

摘要： 对海南木棉的分布特点进行了调查和分析,并初步确立了分类标准。调查结果发现,海南木棉观赏性状具有多样性特点和较大的选育潜力。主成分分析和聚类分析结果表明,可将花朵大小作为一级分类标准,花色作为二级分类标准,雄蕊分叉高度作为三级分类标准。

关键词: 海南, 木棉, 资源调查, 分类