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Phylogeny and Biogeography of Dendropanax (Araliaceae), an Amphi-Pacific Disjunct Genus Between Tropical/Subtropical Asia and the Neotropics
Li, Rong1; Wen, Jun2
2013-04-01
发表期刊SYSTEMATIC BOTANY
ISSN0363-6445
卷号38期号:2页码:536-551
摘要Dendropanax (Araliaceae) is a genus of about 80 species disjunctly distributed in tropical to subtropical Asia and the Neotropics, showing an amphi-Pacific tropical disjunction. The phylogeny of the genus was constructed by sampling 95 accessions representing 33 species of Dendropanax and 43 closely related taxa using sequences of the nuclear ribosomal internal transcribed spacer (ITS) region and six plastid regions (the ndhF gene, the trnL-trnF region, the rps16 intron, the atpB-rbcL intergenic spacer, the rpl16 intron, and the psbA-trnH intergenic spacer). Phylogenetic analyses of the combined plastid and ITS data suggested that the monophyly of Dendropanax was not supported because the Asian D. lancifolius - D. hainanensis clade did not group with the main Dendropanax clade. Nevertheless, the maximally parsimonious trees (MPTs) from the analysis constraining Dendropanax as a monophyletic group were only one step longer than the unconstrained MPTs. The New and Old World Dendropanax species except D. lancifolius and D. hainanensis each formed a robustly supported clade, and the two clades were sister to each other. Based on the biogeographic analyses and fossil-calibrated Bayesian dating, Dendropanax was hypothesized to have originated in the Old World and migrated into the New World via the North Atlantic land bridges in the early Tertiary. The amphi-Pacific intercontinental disjunction of Dendropanax was dated to be 41.83 mya with a 95% high posterior density [HPD] interval of 28.46-56.15 mya.
关键词Amphipacific Tropical Disjunction Araliaceae Biogeography Dendropanax Phylogeny
资助信息National Science Foundation [DEB-0196051, DEB-0108536]; Natural Science Foundation of China [30828001]; John D. and Catherine T. MacArthur Foundation; Laboratory of Analytical Biology at the National Museum of Natural History of the Smithsonian Institution
学科领域Plant Sciences ; Evolutionary Biology
收录类别SCI
语种英语
WOS研究方向Plant Sciences ; Evolutionary Biology
WOS类目Plant Sciences ; Evolutionary Biology
WOS记录号WOS:000319893400024
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/16623
专题中国西南野生生物种质资源库
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
2.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, MRC 166, Washington, DC 20013 USA
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Rong Li, Jun Wen. 2013. Phylogeny and biogeography of Dendropanax (Araliaceae), an amphi-Pacific disjunct genus between tropical/subtropical Asia and the neotropics. Systematic Botany 38: 536-551.
APA Li, Rong,&Wen, Jun.(2013).Phylogeny and Biogeography of Dendropanax (Araliaceae), an Amphi-Pacific Disjunct Genus Between Tropical/Subtropical Asia and the Neotropics.SYSTEMATIC BOTANY,38(2),536-551.
MLA Li, Rong,et al."Phylogeny and Biogeography of Dendropanax (Araliaceae), an Amphi-Pacific Disjunct Genus Between Tropical/Subtropical Asia and the Neotropics".SYSTEMATIC BOTANY 38.2(2013):536-551.
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