基于广义形态学性状对木通科的分支系统学分析
Cladistic Analysis of the Lardizabalaceae Based on Morphological Data
查看参考文献27篇
文摘
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基于43个广义的形态学性状,对木通科进行了分支系统学分析。经过简约性分析,得到了68个同等简约的分支树。50%多数规则一致树的分支结构与以前建立的族划分系统基本一致。外类群大血藤属与木通科的勃奎拉藤属形成姐妹群,与以前的分支分析结果一致,但在分子系统发育树中,大血藤属却是整个木通科的姐妹群;除此之外,形态分支树的结构与分子树的结构差别不大,但一致性指数、保持性指数和各分支内部支持率均较低。单型的猫儿屎族和串果藤族位于分支树的基部,拉氏藤族与木通族是姐妹群,在木通族内,长萼木通属和木通属是姐妹群,作为一个分支;另一分支是PHS(牛藤果属、八月瓜属和野木瓜属)复合群,牛藤果属位于八月瓜属和野木瓜属各类群的基部。但八月瓜属和野木瓜属的属内系统发育关系仍有待进一步研究。 |
其他语种文摘
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The Lardizabalaceae was eladistically analyzed based on 43 moiphological characters. The par-simonious analysis was conducted and 68 equally most parsimonious tees were generated. 50% majority rule consensus free of those trees was basically consistent with the tribal classifications of Taklitajan and Qin. The designated outgroup Sargentodoxa was resolved as sister to Boquila., which was similar to the re-sults of Loconte el al. , but was different from the molecular-data-based results. The other clades showed no significant divergence with the molecular phylogenetic trees. However, the Consistency Index, Reten-tion Index and the bootstrap values were lower than those of molecular-based trees. The monorypic tribes Decaisneae and Sinofranchetieae were basal clades while the Lardizabaleae and the Akebieae were sister taxa. Within the Akebieae, Awhakebia and Akebia were sister taxa in one clade, the other clade being PHS group, with Parualia basal to the assemblage of Holboellia and Stauntonia species. However, the intrageneric relationships of Holbnellia and Stauntonia were still unresolved in this study. |
来源
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云南植物研究
,2002,24(4):445-454 【核心库】
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关键词
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广义形态学性状
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木通科
;
分支系统学分析
;
系统发育关系
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地址
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中国科学院昆明植物研究所, 生物多样性与生物地理学开放实验室, 云南, 昆明, 650204
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语种
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中文 |
文献类型
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研究性论文 |
ISSN
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0253-2700 |
学科
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植物学 |
基金
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国家自然科学基金国家杰出青年科学基金
;
中国科学院“百人计划”项目
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文献收藏号
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CSCD:1076391
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