Phylogenetic assessment and biogeographic analyses of tribe Peracarpeae (Campanulaceae)
Zhou, Z ; Wen, J ; Li, GD ; Sun, H
2012
发表期刊PLANT SYSTEMATICS AND EVOLUTION
ISSN0378-2697
卷号298期号:2页码:323-336
摘要Peracarpeae is a small tribe consisting of three genera: Homocodon, Heterocodon and Peracarpa, with a disjunct distribution between eastern Asia and western North America. Homocodon is endemic to southwestern China and was previously placed in the western North American genus Heterocodon. Our phylogenetic analysis using four plastid markers (matK, atpB, rbcL and trnL-F) suggests the polyphyly of Peracarpeae. Homocodon is sister to a clade consisting of the eastern Asian Adenophora, Hanabusaya and species of Campanula from the Mediterranean region and North America, rather than forming a clade with Heterocodon. Homocodon and its Eurasia relatives are estimated to have diverged in the early Miocene (16.84 mya, 95% HPD 13.35-21.45 mya). The eastern Asian Peracarpa constitutes a clade with the North American Heterocodon, Githopsis and three species of Campanula, supporting a disjunction between eastern Asia and North America in Campanulaceae. The Asian-North American disjunct lineages diverged in the early Miocene (16.17 mya, 95% HPD 13.12-20.9 mya). The biogeographic analyses suggest that Homocodon may be a relict of an early radiation in eastern Asia, and that Peracarpa and its closest North American relatives most likely originated from a Eurasian ancestor.
关键词Curculigo Orchioides Cycloartane Triterpenoid Glycoside Curculigosaponins N-o Phenolic Glycosides
资助信息National Natural Science Foundation of China (NSFC)[31061160184, 40930209, 31000101]; Chinese Academy of Sciences[KSCX2-YW-Z-1019]; John D. and Catherine T. MacArthur Foundation; Laboratory of Analytical Biology of the National Museum of Natural History, Smithsonian Institution
学科领域Plant Sciences ; Evolutionary Biology
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/10489
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
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Zhou, Z,Wen, J,Li, GD,et al. Phylogenetic assessment and biogeographic analyses of tribe Peracarpeae (Campanulaceae)[J]. PLANT SYSTEMATICS AND EVOLUTION,2012,298(2):323-336.
APA Zhou, Z,Wen, J,Li, GD,&Sun, H.(2012).Phylogenetic assessment and biogeographic analyses of tribe Peracarpeae (Campanulaceae).PLANT SYSTEMATICS AND EVOLUTION,298(2),323-336.
MLA Zhou, Z,et al."Phylogenetic assessment and biogeographic analyses of tribe Peracarpeae (Campanulaceae)".PLANT SYSTEMATICS AND EVOLUTION 298.2(2012):323-336.
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