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Systematic Studies in 'Schoenus' L. (Schoeneae, Cypearaceae)

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cris.virtualsource.department97bdfd3e-5858-4ed4-b344-ecfaf1497566
cris.virtualsource.orcid97bdfd3e-5858-4ed4-b344-ecfaf1497566
dc.contributor.authorMusili, Paul Men
dc.contributor.authorBruhl, Jeremyen
dc.contributor.authorWilson, Karenen
dc.contributor.authorGibbs, Adeleen
dc.date.accessioned2013-10-14T09:01:00Z
dc.date.conferred2013en
dc.date.created2012en
dc.date.issued2013
dc.description.abstractInfra- and suprageneric classification of 'Schoenus' is uncertain. Like other Cyperaceae, 'Schoenus' L. and allied genera have reduced vegetative and reproductive structures which have resulted in uncertain homologies and hence differences in opinion about its phylogenetic relationships. This study addresses the issues of phylogeny, species limits and usefulness of anatomical data in the genus. Phylogenetic analysis of 195 ingroup samples made up of 123 samples covering 74 species of 'Schoenus' and 72 samples across 56 species from 11 genera in tribe Schoeneae was conducted on a molecular sequence dataset from ITS nrDNA using maximum parsimony and Bayesian inference. Results indicated that 'Schoenus' is non-monophyletic, which corroborates small-scale previous molecular studies. 'Schoenus' subgen. 'Schoenus' had strongly supported lineages whereas S. subgen. 'Pseudomesomelaena', including 'S. grandiflorus', are embedded within other genera in Schoeneae and therefore not in core 'Schoenus'. The ITS data did not fully resolve relationships of 'Schoenus' at species level, but revealed numerous well supported terminal groupings and taxa allowing for further fine-scale study of the complexes to resolve limits and application of names. ... Taxonomic value of culm anatomy has been investigated using phenetic analysis. The results show culm anatomical features have taxonomic value in 'Schoenus' at and below species level and help to clarify patterns of variation at infra and interspecific level and to resolve species complexes. Phylogenetic analysis, however, indicated that the dataset had no power to resolve higher level relationships within 'Schoenus'. A new species has been distinguished from 'S. melanostachys' using morphology and integrating evidence from culm anatomy and scanning electron microscopy.en
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dc.identifier.staffune-id:pmusilien
dc.identifier.staffune-id:jbruhlen
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dc.identifier.staffune-id:agibbs5en
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dc.identifier.urihttps://hdl.handle.net/1959.11/13508
dc.languageenen
dc.subject.keywordsPhylogeny and Comparative Analysisen
dc.titleSystematic Studies in 'Schoenus' L. (Schoeneae, Cypearaceae)en
dc.typeThesis Doctoralen
dcterms.RightsStatementCopyright 2012 - Paul Mutuku Musilien
dcterms.accessRightsUNE Greenen
dspace.entity.typePublication
local.access.fulltextYesen
local.contributor.firstnamePaul Men
local.contributor.firstnameJeremyen
local.contributor.firstnameKarenen
local.contributor.firstnameAdeleen
local.contributor.grantorUniversity of New Englanden
local.contributor.lastnameMusilien
local.contributor.lastnameBruhlen
local.contributor.lastnameWilsonen
local.contributor.lastnameGibbsen
local.description.statisticsepubsVisitors: 319<br />Views: 303<br />Downloads: 35en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/52c2c122-576a-4531-85e5-d2f96fc2b391en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/966a2512-9332-4268-affe-598c43faa5d4en
local.hos.emailhoshass@une.edu.auen
local.identifier.epublicationsrecordune_thesis-20120627-121323en
local.identifier.unepublicationidune:13720en
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/52c2c122-576a-4531-85e5-d2f96fc2b391en
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/966a2512-9332-4268-affe-598c43faa5d4en
local.output.categoryT2en
local.output.categorydescriptionT2 Thesis - Doctorate by Researchen
local.profile.emailpmusili@yahoo.comen
local.profile.emailjbruhl@une.edu.auen
local.profile.emailkaren.wilson@bgsyd.nsw.gov.auen
local.profile.emailagibbs5@une.edu.auen
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local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
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local.record.institutionUniversity of New Englanden
local.record.placeauen
local.school.graduationSchool of Humanities, Arts & Social Sciencesen
local.search.authorMusili, Paul Men
local.search.supervisorBruhl, Jeremyen
local.search.supervisorWilson, Karenen
local.search.supervisorGibbs, Adeleen
local.subject.for2008060309 Phylogeny and Comparative Analysisen
local.subject.for2020310410 Phylogeny and comparative analysisen
local.subject.seo2008960899 Flora, Fauna and Biodiversity of Environments not elsewhere classifieden
local.thesis.borndigitalyesen
local.thesis.degreelevelDoctoralen
local.thesis.degreenameDoctor of Education - EdDen
local.title.maintitleSystematic Studies in 'Schoenus' L. (Schoeneae, Cypearaceae)en
local.uneassociationYesen
local.year.conferred2013en
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