Home at last: Molecular phylogenetic analyses support subsuming Metastachydium within Phlomoides (Lamiaceae)

doi:10.1002/tax.12935

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	Home at last: Molecular phylogenetic analyses support subsuming Metastachydium within Phlomoides (Lamiaceae)
	Zhao,Yue; Zhao,Fei; Salmaki,Yasaman; Paton,Alan; Cai,Jie; Drew,Bryan T.; Mahmoudi,Chonour; Efimov,Petr; Turginov,Orzimat T.; Liang,Cun-Zhu; Chen,Ya-Ping; Xiang,Chun-Lei
	2023
发表期刊	TAXON
ISSN	1996-8175
摘要	Distributed in Central Asia, Metastachydium (Lamiaceae) is a poorly understood and rare monotypic genus, with few collections known. The systematic position of this enigmatic genus within Lamiaceae has remained unresolved due to its poor representation in herbaria and coincident lack of available materials for molecular phylogenetic analysis. Facilitated by some recent collections, we performed Bayesian inference and maximum likelihood analyses, using an 80-protein-coding plastid-gene dataset of Lamioideae, to infer the systematic placement of Metastachydium at the tribal level within Lamioideae. In addition, we used an 8-plastid-DNA-region dataset as well as the nuclear ribosomal internal transcribed spacer to determine the phylogenetic affinities of Metastachydium. All phylogenetic analyses agree that Metastachydium is a member of Phlomideae and deeply nested within the genus Phlomoides, suggesting the need to expand the latter to include Metastachydium. Hence, a new combination, Phlomoides sagittata comb. nov., is proposed, and we present the first available photographs and an amended morphological description of P. sagittata. In addition, the infrageneric circumscription of Phlomoides is not supported, as most sections and subsections are not monophyletic. Hybridization and incomplete lineage sorting, following rapid diversification within Phlomoides, seem to be the source of incongruence between the nuclear and plastid tree topologies.
关键词	Central Asia Lamioideae nrITS Phlomideae Phlomis plastome phylogenomics COMPLETE CHLOROPLAST GENOME PLASTID DNA LEPECHINIA LAMIACEAE LAMIOIDEAE LAMIACEAE CHARACTER EVOLUTION NUCLEAR CLASSIFICATION POSITION ORIGIN GENERA
学科领域	Plant Sciences ; Evolutionary Biology
DOI	10.1002/tax.12935
收录类别	SCI
WOS记录号	WOS:000981837100001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/75307
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Zhao,Yue,Zhao,Fei,Salmaki,Yasaman,et al. Home at last: Molecular phylogenetic analyses support subsuming Metastachydium within Phlomoides (Lamiaceae)[J]. TAXON,2023.
APA	Zhao,Yue.,Zhao,Fei.,Salmaki,Yasaman.,Paton,Alan.,Cai,Jie.,...&Xiang,Chun-Lei.(2023).Home at last: Molecular phylogenetic analyses support subsuming Metastachydium within Phlomoides (Lamiaceae).TAXON.
MLA	Zhao,Yue,et al."Home at last: Molecular phylogenetic analyses support subsuming Metastachydium within Phlomoides (Lamiaceae)".TAXON (2023).

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