Phylogenetic analysis of Toxicodendron (Anacardiaceae) and its biogeographic implications on the evolution of north temperate and tropical intercontinental disjunctions

doi:10.1111/j.1759-6831.2009.00045.x

	Phylogenetic analysis of Toxicodendron (Anacardiaceae) and its biogeographic implications on the evolution of north temperate and tropical intercontinental disjunctions
	Nie, Ze-Long 1,2; Sun, Hang1 ; Meng, Ying 1; Wen, Jun 1,3,4
通讯作者	wenj@si.edu
	2009-09-01
发表期刊	JOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN	0529-1526
卷号	47 期号:5 页码:416-430
摘要	Toxicodendron is a genus in the Rhus complex of Anacardiaceae with a disjunct distribution between eastern Asia and North America, extending to southeastern Asia and the neotropics. Nuclear (internal transcribed spacer, external transcribed spacer, and NIA-i3) and chloroplast (ndhF and trnL-F) sequences were used to construct phylogenetic relationships of Toxicodendron. Phylogenetic analysis of these data strongly support Toxicodendron as a monophyletic group distinct from other genera of the Rhus complex, and the phylogeny does not fully corroborate classification at the sectional level. Two temperate disjunct lineages were detected, one from section Toxicodendron and the other between the eastern North American Toxicodendron vernix and the eastern Asian Toxicodendron vernicifluum. Their divergence times were estimated to be 13.46 (7.95-19.42) and 7.53 (2.76-12.86) mya, respectively. The disjunction between section Griffithii (taxa from warm temperate to tropical Asia) and Toxicodendron striatum (from the neotropics) was supported and their divergence time was estimated to be 20.84 (11.16-30.52) mya in the early Miocene. Our biogeographic results and the paleontological data support the Bering land bridge as the most likely route to explain the temperate disjunctions, yet the tropical disjunction in Toxicodendron seems to be best explained by the North Atlantic land bridge hypothesis.
关键词	Anacardiaceae Biogeography Disjunction Eastern Asia Neotropics North America Phylogenetics Toxicodendron
学科领域	Plant Sciences
DOI	10.1111/j.1759-6831.2009.00045.x
收录类别	SCI
语种	英语
WOS记录号	WOS:000270477800007
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/3006
专题	中国科学院东亚植物多样性与生物地理学重点实验室
作者单位	1.Chinese Acad Sci, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China 3.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20013 USA 4.Chinese Acad Sci, Key Lab Systemat & Evolutionary Bot, Inst Bot, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Nie, Ze-Long,Sun, Hang,Meng, Ying,et al. Phylogenetic analysis of Toxicodendron (Anacardiaceae) and its biogeographic implications on the evolution of north temperate and tropical intercontinental disjunctions[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2009,47(5):416-430.
APA	Nie, Ze-Long,Sun, Hang,Meng, Ying,&Wen, Jun.(2009).Phylogenetic analysis of Toxicodendron (Anacardiaceae) and its biogeographic implications on the evolution of north temperate and tropical intercontinental disjunctions.JOURNAL OF SYSTEMATICS AND EVOLUTION,47(5),416-430.
MLA	Nie, Ze-Long,et al."Phylogenetic analysis of Toxicodendron (Anacardiaceae) and its biogeographic implications on the evolution of north temperate and tropical intercontinental disjunctions".JOURNAL OF SYSTEMATICS AND EVOLUTION 47.5(2009):416-430.

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