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当前位置: 首页 > 文章 > 基于形态学的8种鸢尾属植物分支分类学分析 四川农业大学学报 2016,34 (4) 440-444
Position: Home > Articles > Cladistic Analysis of 8 Species of Iris Based on Morphological Characters Journal of Sichuan Agricultural University 2016,34 (4) 440-444

基于形态学的8种鸢尾属植物分支分类学分析

作  者：
余小芳;蒋喻林;刘宇婧;冯艺玫;周永红
单  位：
四川农业大学小麦研究所;四川农业大学风景园林学院
关键词：
鸢尾属;分支分类学;亲缘关系
摘  要：
【目的】通过对8种1变种鸢尾属植物的27个形态学特征分析为鸢尾属植物的种间关系提供形态学依据。【方法】对8种1变种鸢尾属植物的27个形态性编码,以射干为外类群,利用PAUP中的最大简约法进行鸢尾属植物的表型分支分析。【结果】经简约分析,得到了4棵同等最大简约分支树,其严格一致树显示:1白花马蔺和马蔺聚为一支,其自展值为96%;2四川鸢尾、薄叶鸢尾和锐果鸢尾聚为一支,其自展值为55%,然而,四川鸢尾和薄叶鸢尾与锐果鸢尾的枝分开,其自展值为83%;3蝴蝶花、扁竹兰和扇形鸢尾聚为一支,其自展值为57%。其中,扁竹兰和扇形鸢尾与蝴蝶花的枝分开,其自展值为78%。【结论】1白花马蔺和马蔺的关系很近,支持将马蔺作为白花马蔺的变种处理;2四川鸢尾和薄叶鸢尾较锐果鸢尾关系近;3扁竹兰和扇形鸢尾两种之间的关系较蝴蝶花更近。
译  名：
Cladistic Analysis of 8 Species of Iris Based on Morphological Characters
作  者：
YU Xiao-fang;JIANG Yu-lin;LIU Yu-jing;FENG Yi-mei;ZHOU Yong-hong;Landscape Architecture College,Sichuan Agricultural University;Triticeae Research Institute,Sichuan Agricultural University;
关键词：
Iris;;cladistics;;genetic relationship
摘  要：
【Objective】 The aim of the study was to analyzed the 27 morphological characters of 8species and 1 varietas in Iris and to provide morphological basis for interspecific classification relationships of genus Iris.【Method】On the basis of numerical taxonomy study of Iris L.,27 typical morphological traits of 8 species and 1 varietas of Iris were coded. The Belamcanda chinensis(L.)DC was taken as outgroup and their MP phylogenetic tree was constructed.【Results】1I. lactea var. chinensis and I.lactea formed A clade and the bootstrap support was 96%. 2 I. leptophylla,I. sichuanensis and I. goniocarpa formed B clade and the bootstrap support was 55%. However,I. leptophylla,I. sichuanensis consisted one little clade from I. goniocarpa and the bootstrap support was 83%. 3I. japonica,I. wattii and I. confusa comprised the C clade the bootstrap support was 57%. Nevertheless,I. wattii and I.confusa formed one little clade from I. japonica and the bootstrap support was 78%. 【Conclusion】1The relationship of I. lactea var. chinensis and I. lactea was close,supporting the hypotheisis that I. lactea var. chinensis is a variety of I. lactea. 2The relationship between I. leptophylla and I. sichuanensis was closer as compared to I. goniocarpa. 3 I. japonica had relatively distant relationship with I. wattii compared to I. confusa.

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