中国慈姑属的数量分类研究

中国慈姑属的数量分类研究 STUDIES ON NUMERICAL CLASSIFICATON OF SAGITTARIA IN CHINA 陈家宽 Chen Jiakuan 1 2 first-author 孙祥钟 Sun Xiangzhong 1 2 王徽勤 Wang Huiqin 1 2 钟扬 1 2 黄德世 1 2 武汉大学生物系 武汉大学生物系 Department of Biology, Wuhan University) Zhong Yang, Huang Deshi Department of Biology, Wuhan University) Zhong Yang, Huang Deshi 中国科学院武汉植物研究所 中国科学院武汉植物研究所 本文运用电子计算机对中国慈姑属已知的分类群进行了数量分类研究。结果表明:Q分析结果与经典分类相吻合;R分析揭示了性状之间的相互联系;主成分分析反映了各性状的信息负荷量。 The present paper deals with the numerical classification of Sagittaria in China. The results obtained are as follows. 1. Results obtained through Q cluster analysis divide the 10 OTUs into three groups where combined line l 1 = 12.19, it is a unanimous conclusion with classisication. The other combined line l 2 =8.33 is a line of distinction of the species. 2. Results obtained through R cluster analysis and principal component analysis （PCA） are conductive to the revelation among the 70 characters,and show the loading of information possessed by each character 泽泻科 慈姑属 数量分类 Alismataceae Sagittaria numerical classification 1988-01-01 2021-04-01 1