Phylogenetic assessment and biogeographic analyses of tribe Peracarpeae (Campanulaceae)
Zhou, Z ; Wen, J ; Li, GD ; Sun, H
Corresponding AuthorSun, H (reprint author), Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China, hsun@mail.kib.ac.cn
2012
Source PublicationPLANT SYSTEMATICS AND EVOLUTION
ISSN0378-2697
Volume298Issue:2Pages:323-336
AbstractPeracarpeae 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.
KeywordCurculigo Orchioides Cycloartane Triterpenoid Glycoside Curculigosaponins N-o Phenolic Glycosides
Subject AreaPlant Sciences ; Evolutionary Biology
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/10489
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Recommended Citation
GB/T 7714
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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