Molecular and morphological analyses reveal new taxa additions to the tribe Streblocladieae (Rhodomelaceae, Rhodophyta)
Molecular and morphological analyses reveal new taxa additions to the tribe Streblocladieae (Rhodomelaceae, Rhodophyta)
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分子和形态分析揭示了 Streblocladieae 族（红藻科、红藻门）中新增的新分类群
作者：
D. E. Bustamante;B. Won;M. J. Wynne;T. Cho
最近在Streblocladieae部落中12个属的分离表明，一些属于Polysiphonia sensu lato的物种的分类随着转移和新组合的提出而更新。据此，在形态学和分子分析的基础上，提出了6个新的Streblocladieae部落作为这种新分离的结果。新增的物种包括：platensis Carradoriella sp. nov.的新种描述、Eutrichosiphonia paniculata comb的新组合建议。11月，E. tapinocarpa梳子。11月11日，并恢复了curta， V. decipiens和V. patersonis。此外，我们的形态学观察鉴定了链虫科的两个属的附加诊断特征。Carradoriella的分支上有性生殖结构排列在小枝的正面，而最近描述的Eutrichosiphonia具有具有多细胞指状半翅目的根状体。我们的研究对链虫科的分布、属划分的诊断特征和分子进化关系有了新的认识。
The recent segregation of 12 genera in the tribe Streblocladieae suggests that the taxonomy of some species belonging to Polysiphonia sensu lato is updated with the transfer and the proposal of new combinations. Accordingly, six new additions to the tribe Streblocladieae on the basis of morphological and molecular analyses are presented as a consequence of this new segregation. These additions include the description of the new species Carradoriella platensis sp. nov., the proposal of the following new combinations Eutrichosiphonia paniculata comb. nov., E. tapinocarpa comb. nov., and the reinstatement of Vertebrata curta, V. decipiens, and V. patersonis. Additionally, our morphological observations identified additional diagnostic features for two genera of the Streblocladieae. Carradoriella has branches with sexual reproductive structures arranged adaxially on branchlets, and the recently described Eutrichosiphonia has rhizoids with multicellular digitate haptera. Our study gives insights in regards to the distribution, the diagnostic features for delimiting genera morphologically, and the molecular evolutionary relationships in the Streblocladieae.