Phylogeny of Isodon (Schrad. ex Benth.) Spach (Lamiaceae) and related genera inferred from nuclear ribosomal ITS, trnL-trnF region, and rps16 Intron sequences and morphology

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dc.contributor.authorZhong, J.S.
dc.contributor.authorLi, J.
dc.contributor.authorLi, L.
dc.contributor.authorConran, J.
dc.contributor.authorLi, H.W.
dc.date.issued2010
dc.description.abstractPhylogenetic analyses of Isodon and related genera using the nuclear ribosomal internal transcribed spacer (nrITS), cpDNA regions (trnL-trnF region and rps16 intron), and morphological data are presented. The results clarify the relationships among Isodon and its putative related genera and the question of the monophyly of Isodon and its relationship with Siphocranion. Siphocranion is a monophyletic genus and the sister clade to the remaining species; the new subtribe Siphocranioninae of tribe Ocimeae is described to accommodate it. Isodon, as currently circumscribed, is only monophyletic if Skapanthus oreophilus is included in it. Isodon forms a distinct subtribe Isodoninae within tribe Ocimeae and three strongly supported subclades are identified within the genus. In addition, a close relationship between Hanceola and Hyptis is indicated in the combined nrITS + cpDNA data set with Bayesian inference and this is also supported in morphological analyses, but more studies are needed to confirm this relationship. It is evident that subtribe Hanceolinae is polyphyletic as currently defined, so subtribe Hanceolinae is restricted to accommodate Hanceola alone. The relationships between Isodon and other genera within tribe Ocimeae are still unresolved: the newly erected subtribe Isodoninae is a monophyletic group representing a distinct lineage in subtribe Ociminae. The relationships among the species of the largest subclade C of Isodon are still poorly known. Additional studies of this group with additional data and more intensive taxon sampling might help to resolve these issues.
dc.description.statementofresponsibilityJin-Shun Zhong, Jie Li, Lang Li, John G. Conran, Hsi-Wen Li
dc.identifier.citationSystematic Botany, 2010; 35(1):207-219
dc.identifier.doi10.1600/036364410790862614
dc.identifier.issn0363-6445
dc.identifier.issn1548-2324
dc.identifier.orcidConran, J. [0000-0003-2268-2703]
dc.identifier.urihttp://hdl.handle.net/2440/59942
dc.language.isoen
dc.publisherAmer Soc Plant Taxonomists
dc.rightsCopyright 2010 American Society of Plant Taxonomists
dc.source.urihttp://find.galegroup.com/gtx/infomark.do?contentSet=IAC-Documents&docType=IAC&type=retrieve&tabID=T002&prodId=AONE&docId=A222554196&userGroupName=adelaide&version=1.0&searchType=PublicationSearchForm&source=gale&infoPage=infoMarkPage
dc.subjectHanceola
dc.subjectIsodon
dc.subjectLabiatae
dc.subjectLamiaceae
dc.subjectmorphology
dc.subjectnrITS
dc.subjectOcimeae
dc.subjectphylogeny
dc.subjectrps16 intron
dc.subjectSiphocranion
dc.subjecttrnL-trnF.
dc.titlePhylogeny of Isodon (Schrad. ex Benth.) Spach (Lamiaceae) and related genera inferred from nuclear ribosomal ITS, trnL-trnF region, and rps16 Intron sequences and morphology
dc.typeJournal article
pubs.publication-statusPublished

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