• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Taxon >Maximum polyphyly: multiple origins and delimitation with plesiomorphic characters require a new circumscription of Minuartia (Caryophyllaceae).
【24h】

Maximum polyphyly: multiple origins and delimitation with plesiomorphic characters require a new circumscription of Minuartia (Caryophyllaceae).

机译：最大的多重性：多重起源和具有拟形特征的定界要求对Minuartia（石竹科）进行新的界定。

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Minuartia is one of the larger genera of Caryophyllaceae with about 175 species distributed mainly in the Northern Hemisphere. The taxonomy of the genus has been studied by several authors, resulting in the recognition of numerous infrageneric groups. Previous phylogenies of the Caryophyllaceae showed that Minuartia is polyphyletic, but included only a limited sample of the genus. We here provide a molecular phylogeny of Minuartia including all infrageneric groups recognized in the last revision of the genus. We reconstructed the phylogeny of the genus using DNA sequences of nrITS and plastid matK from 160 ingroup and 105 outgroup samples. The evolution of the morphological character relevant for the delimitation of Minuartia (three styles plus three capsule valves/teeth) was reconstructed. Minuartia has been defined with a plesiomorphic character and is highly polyphyletic. All four subgenera fall into different lineages containing other genera of the family, and M. subg. Minuartia, as by far the largest subgenus, falls into seven clades, which together do not form a monophylum. These clades are closely related to several other genera, e.g., Sagina, Colobanthus and Scleranthus. In several cases taxonomic groups below subgeneric rank are monophyletic. The type of Minuartia, M. dichotoma, is part of a clade containing M. sect. Plurinerviae and sect. Minuartia. We propose to retain this clade as Minuartia s.str. and to transfer the other species of Minuartia to the genera Cherleria, Eremogone, Facchinia, Mcneillia, Minuartiella, Mononeuria, Pseudocherleria, Rhodalsine, Sabulina and Triplateia.
机译：Minuartia是石竹科的较大属之一，约有175种，主要分布在北半球。几位作者已经研究了该属的分类学，从而导致了众多基础群体的认可。以前的石竹科的系统发育表明，Minuartia是多系的，但仅包括有限的属。我们在这里提供Minuartia的分子系统发育，包括该属最新修订版中公认的所有亚基因组。我们使用nrITS和质体matK的DNA序列从160个样本组和105个样本组中重建属的系统发育。重建了与Minuartia划界有关的形态特征的演变（三种样式加三个囊状瓣膜/牙齿）。 Minuartia被定义为具有多形性，并且具有高度多系性。所有四个亚属都属于不同的谱系，包含该家族的其他属和M. subg。 Minuartia是迄今为止最大的亚属，分为七个进化枝，它们不构成单枝。这些进化枝与其他几个属例如Sagina，Colobanthus和Scleranthus密切相关。在某些情况下，低于属下等级的分类组是单系的。 Minuartia，M。dichotoma类型，是包含M. sect的进化枝的一部分。 Plurinerviae和教派。 Minuartia。我们建议保留这一分支作为Minuartia s.str。并将Minuartia的其他物种转移到Cherleria，Eremogone，Facchinia，Mcneillia，Minuartiella，Mononeuria，Pseudocherleria，Rhodalsine，Sabulina和Triplateia属中。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号