基于分子和形态学数据的 Gastrochilus（兰科：表皮树属）新下属分类。

IF 4.6 1区生物学 Q1 PLANT SCIENCES

Plant Diversity Pub Date : 2023-08-14 eCollection Date: 2024-07-01 DOI:10.1016/j.pld.2023.08.001

Jun-Yi Zhang, Yue-Hong Cheng, Min Liao, Yu Feng, Sen-Long Jin, Ting-Mei He, Hai He, Bo Xu

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引用次数: 0

摘要

兰花属（Gastrochilus）包含 73 个物种，主要附生在亚洲热带和亚热带山林的树木或岩石上。以往的系统发育分析和形态学评估未能在下属水平上建立一个清晰的系统发育关系。本研究基于对 52 个物种进行的全面形态学和系统发生学分析，提出了一种新的 Gastrochilus 下属分类法。我们的系统发育分析将该属分为六个部分，包括三个新的部分：G. sect.Pseudodistichi, G. sect.Brachycaules 和 G. sect.Achinacifolii。我们还恢复了 G. suavis 的特异等级。此外，我们还描述了两个新种，G. armeniacus Jun Y. Zhang, B. Xu & Yue H. Cheng 和 G. minjiangensis Jun Y. Zhang, B. Xu & Yue H. Cheng，并绘制了插图。还提供了该属六个部分的检索表。

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A new infrageneric classification of Gastrochilus (Orchidaceae: Epidendroideae) based on molecular and morphological data.

Gastrochilus is an orchid genus containing 73 species of mainly epiphytic on trees or rocks in mountain forests of tropical and subtropical Asia. Previous phylogenetic analyses and morphological assessments have failed to produce a well-resolved phylogeny at the infrageneric level. In the present study, a new infrageneric classification of Gastrochilus is proposed based on thoroughly morphological and phylogenetic analyses based on 52 species. Our phylogenetic analysis divided the genus into six sections including three new sections, G. sect. Pseudodistichi, G. sect. Brachycaules and G. sect. Acinacifolii. We also reinstate G. suavis to the specific rank. Furthermore, two new species, G. armeniacus Jun Y. Zhang, B. Xu & Yue H. Cheng and G. minjiangensis Jun Y. Zhang, B. Xu & Yue H. Cheng, are described and illustrated. A key to six sections of the genus is presented.

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来源期刊

Plant Diversity Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics

CiteScore

8.30

自引率

6.20%

发文量

1863

审稿时长

35 days

期刊介绍： Plant Diversity (formerly Plant Diversity and Resources) is an international plant science journal that publishes substantial original research and review papers that advance our understanding of the past and current distribution of plants, contribute to the development of more phylogenetically accurate taxonomic classifications, present new findings on or insights into evolutionary processes and mechanisms that are of interest to the community of plant systematic and evolutionary biologists. While the focus of the journal is on biodiversity, ecology and evolution of East Asian flora, it is not limited to these topics. Applied evolutionary issues, such as climate change and conservation biology, are welcome, especially if they address conceptual problems. Theoretical papers are equally welcome. Preference is given to concise, clearly written papers focusing on precisely framed questions or hypotheses. Papers that are purely descriptive have a low chance of acceptance. Fields covered by the journal include: plant systematics and taxonomy- evolutionary developmental biology- reproductive biology- phylo- and biogeography- evolutionary ecology- population biology- conservation biology- palaeobotany- molecular evolution- comparative and evolutionary genomics- physiology- biochemistry