Phylogeny and biogeography of Sassafras (Lauraceae) disjunct between eastern Asia and eastern North America
Nie, Z.-L.; Wen, J.; Sun, H.
Corresponding AuthorNie, ZL (reprint author), Chinese Acad Sci, Inst Bot, Lab Biodivers & Biogeog, Kunming, Peoples R China. wenj@si.edu
2007-09-01
Source PublicationPLANT SYSTEMATICS AND EVOLUTION
ISSN0378-2697
Volume267Issue:1-4Pages:191-203
AbstractSassafras (Lauraceae) consists of three species disjunct between eastern Asia (S. tzumu and S. randaiense) and eastern North America (S. albidum). Phylogenetic analysis based on sequences of nuclear ribosomal ITS and three chloroplast non-coding regions (rpl16, trnL-F, and psbA-trnH) showed that Sassafras is monophyletic and that the eastern North American S. albidum is sister to the clade of its two eastern Asian counterparts. Their intercontinental divergence was estimated to be 13.80 +/- 2.29-16.69 +/- 2.52 million years ago (mya) using the penalized likelihood method with the ITS and three chloroplast markers. Biogeographic analyses combined with fossil evidence suggest that Sassafras has a relict distribution in the Northern Hemisphere without a Gondwanan link. The divergence time of the two eastern Asian species (the continental Chinese Sassafras tzumu and S. randaiense endemic to Taiwan) is estimated to be 0.61 +/- 0.75-2.23 +/- 0.76 mya. Sassafras randaiense from Taiwan was most likely derived from an ancestor from continental China.
KeywordDisjunction Eastern Asia Eastern North America Lauraceae Sassafras Taiwan
Subject AreaPlant Sciences ; Evolutionary Biology
DOI10.1007/s00606-007-0550-1
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences ; Evolutionary Biology
WOS SubjectPlant Sciences ; Evolutionary Biology
WOS IDWOS:000249460600016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/15526
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Inst Bot, Lab Biodivers & Biogeog, Kunming, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
3.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20560 USA
4.Chinese Acad Sci, Inst Bot, Lab Systemat & Evolut Bot, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Nie, Z.-L.,Wen, J.,Sun, H.. Phylogeny and biogeography of Sassafras (Lauraceae) disjunct between eastern Asia and eastern North America[J]. PLANT SYSTEMATICS AND EVOLUTION,2007,267(1-4):191-203.
APA Nie, Z.-L.,Wen, J.,&Sun, H..(2007).Phylogeny and biogeography of Sassafras (Lauraceae) disjunct between eastern Asia and eastern North America.PLANT SYSTEMATICS AND EVOLUTION,267(1-4),191-203.
MLA Nie, Z.-L.,et al."Phylogeny and biogeography of Sassafras (Lauraceae) disjunct between eastern Asia and eastern North America".PLANT SYSTEMATICS AND EVOLUTION 267.1-4(2007):191-203.
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