A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation

doi:10.12705/672.1

CORC > 植物研究所 > 中国科学院植物研究所 > 系统与进化植物学国家重点实验室

	A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation
	He, Lijuan 3; Schneider, Harald 1,2; Hovenkamp, Peter 6; Marquardt, Jeannine 2; Wei, Ran ; Wei, Xueping 5; Zhang, Xianchun ; Xiang, Qiaoping
刊名	TAXON
	2018
卷号	67 期号:2 页码:237-249
关键词	generic classification homoplasy rapid radiation selligueoid fern
ISSN号	0040-0262
DOI	10.12705/672.1
文献子类	Article
英文摘要	Homoplasy, autapomorphy and rapid radiation have frequently been discussed as the main causes of instable generic classifications of plants including ferns. In this study, we explore the natural generic classification for selligueoid ferns by investigating the phylogenetic relationships among almost all its previously recognized segregates. We compare the phylogenies that resulted from two datasets. Dataset 1 comprises a broad taxonomic sampling of fifty-one species of selligueoid ferns. Phylogenetic analysis of this dataset revealed a notable long branch followed by a polytomy recovering three core clades of selligueoid ferns. Only one of the core clades corresponds to the traditional generic concept of Arthromeris. Dataset 2 includes fewer species but a broader sample of six plastid DNA markers. However, the results of this dataset show that the increase of informative molecular characters still did not provide sufficient evidence to resolve the polytomy. The long branches together with a consistent backbone polytomy support a rapid radiation in the selligueoid ferns. The majority of morphological characters were recovered as homoplastic, which hampers the identification of segregates with unambiguous diagnostic characters. Considering morphological characters and our molecular phylogeny, a single genus Selliguea s.l., which includes all selligueoid species, is proposed here to achieve taxonomic stability in this group.
学科主题	Plant Sciences ; Evolutionary Biology
电子版国际标准刊号	1996-8175
出版地	BRATISLAVA
WOS关键词	EUPOLYPOD II FERNS ; MALAYSIAN POLYPODIACEAE ; GENERIC DELIMITATION ; CHARACTER EVOLUTION ; CHEILANTHOID FERNS ; CHLOROPLAST RBCL ; DRYNARIOID FERNS ; SEQUENCE DATA ; CLASSIFICATION ; GENUS
语种	英语
出版者	INT ASSOC PLANT TAXONOMY-IAPT
WOS记录号	WOS:000433040700001
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31370260, 31470317] ; External Cooperation Program of Bureau of International Co-operation Chinese Academy of Sciences [GJHZ201321] ; Xiamen Science and Technology Project [3502Z20172017]
内容类型	期刊论文
源URL	[http://ir.ibcas.ac.cn/handle/2S10CLM1/20607]
专题	系统与进化植物学国家重点实验室
作者单位	1.Nat Hist Museum, Dept Life Sci, London, England 2.Xiamen Overseas Chinese Subtrop Plant Intro Garde, Xiamen, Peoples R China 3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China 4.Chinese Acad Med Sci, Peking Union Med Coll, Inst Med Plant Dev,Minist Educ, Key Lab Bioact Subst & Resources Utilizat Chinese, Beijing, Peoples R China 5.Nat Biodivers Ctr, Leiden, Netherlands 6.Chinese Acad Sci, Xishuangbanna Bot Garden, Mengla, Peoples R China
推荐引用方式 GB/T 7714	He, Lijuan,Schneider, Harald,Hovenkamp, Peter,et al. A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation[J]. TAXON,2018,67(2):237-249.
APA	He, Lijuan.,Schneider, Harald.,Hovenkamp, Peter.,Marquardt, Jeannine.,Wei, Ran.,...&Xiang, Qiaoping.(2018).A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation.TAXON,67(2),237-249.
MLA	He, Lijuan,et al."A molecular phylogeny of selligueoid ferns (Polypodiaceae): Implications for a natural delimitation despite homoplasy and rapid radiation".TAXON 67.2(2018):237-249.