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首页> 外文期刊>Systematic Botany >Phylogenetic Relationships among Members of the Neotropical Clade of Miliuseae (Annonaceae): Generic Non-monophyly of Desmopsis and Stenanona
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Phylogenetic Relationships among Members of the Neotropical Clade of Miliuseae (Annonaceae): Generic Non-monophyly of Desmopsis and Stenanona

机译：芒科（Annonaceae）的新热带进化枝的成员之间的亲缘关系：浮萍和剑柄科的一般非单性。

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摘要

The phylogenetic relationships among members of the Neotropical clade of Miliuseae were inferred using Bayesian inference, maximum likelihood, and parsimony on a dataset of six plastid regions (ndhF, matK, psbA-trnH, rbcL, rps16-trnQ, and trnL-F). The phylogenetic hypothesis obtained indicate that the Neotropical clade of Miliuseae is a monophyletic group, composed of two distinct lineages: the first comprises the genera Sapranthus and Tridimeris, and the second is composed of Desmopsis, Stenanona, and two potentially new taxa, which together form the Desmopsis-Stenanona clade. However, the relationships within the Desmopsis-Stenanona clade are not fully resolved; the phylogenetic results indicate that Desmopsis and Stenanona, as currently circumscribed, are not monophyletic. The morphological characteristics that distinguish each genus and potential synapomorphies are discussed. We conclude that the observed variation in floral and fruit characteristics among the members of the Desmopsis-Stenanona clade could be driven by interactions with their main pollinators and fruit dispersers. Based on these results we propose that the Neotropical clade of Miliuseae needs to be recognized at the subtribe level, under the name of Sapranthinae.
机译：在六个质体区域（ndhF，matK，psbA-trnH，rbcL，rps16-trnQ和trnL-F）的数据集上，使用贝叶斯推断，最大似然和简约来推断出ili科新热带进化枝成员之间的系统发育关系。获得的系统发育假说表明，毛M科的新热带进化枝是一个单系群，由两个不同的谱系组成：第一个由Sapranthus和Tridimeris属组成，第二个由Desmopsis，Stenanona和两个可能的新分类群组成。 Desmopsis-Stenanona进化枝。然而，在德斯莫普斯-斯泰纳纳纳进化枝内的关系尚未完全解决。系统发育结果表明，目前已限定的非洲菊和剑尾藻不是单系统的。讨论了区分每个属和潜在同形的形态特征。我们得出的结论是，在Desmopsis-Stenanona进化枝成员中观察到的花和果实特征的变异可能是由与其主要授粉媒介和果实分散剂的相互作用所驱动。根据这些结果，我们建议在of族层次上以M蒲科为名，对M科的新热带进化枝进行识别。

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