For those species with uncertainity of taxonomic status the principal component analysis was conducted for morphometric measurements.
对分类上存在疑问的种或亚种的测量数据进行了主成分分析。
The evolutional and taxonomic relationships of stone fruits were discussed based on the phylogenetic analysis of its sequences, morphological characters and geographical distribution.
最后根据ITS基因树并结合各属的形态特征及地理分布讨论了核果类果树的进化和分类问题。
The results suggest that the 18 populations could be classified into 4 groups corresponding to 4 taxonomic species. This is in conformity with the results of Q cluster analysis.
结果表明，18个居群可划分为4类，它们分别对应于现知的4个分类学种，而与数值分类学研究中的Q分析结果基本一致；
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