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Family relationships of the enigmatic rosid genera Barbeya and Dirachma from the Horn of Africa region

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dc.creatorThulin, Matsspa
dc.creatorBremer, Brigittaspa
dc.creatorRichardson, James-Edwardspa
dc.creatorNiklasson, Jonasspa
dc.creatorFay, Michaelspa
dc.date.accessioned2020-08-19T14:43:33Z
dc.date.available2020-08-19T14:43:33Z
dc.date.created1997-07-11spa
dc.description.abstractAbstract: Barbeya is a monotypic genus in the Horn of Africa and adjacent patts of Arabia. It is usually treated as the family Barbeyaceae and regarded as an aberrant member of Urticales. Dirachma, with one species on Socotra and one in Somalia, is usually treated as the family Dirachmaceae, in GeraniaIes, but a position in MaIvales has also been suggested. Analyses of molecular data, from both rbcL and trnL-F, indicate that Barbeya and Dirachma are closely related inter se as well as to Rhamnaceae and Elaeagnaceae. In an analysis based on morphology Barbeya groups with Elaeagnaceae, and Dirachma with Rhamnaceae and Ulmaceae. In a combined molecular and morphological analysis Barbeya is the sister group of Elaeagnaceae and Dirachma is the sister group of the whole BarbeyaElaeagnaceae-Rhamnaceae clade. However, the support for these arrangements is weak and, rather than merging Barbeyaceae with Dirachmaceae as suggested by the molecular analysis or with Elaeagnaceae as suggested by the morphological and combined analyses, it seems best to retain both Barbeyaceae and Dirachmaceae in their present circumscriptions, but in both cases in completely new positions in the angiosperm system. The results are compatible with a new circumscription of Rhamnales comprising Rhamnaceae, Elaeagnaceae, Dirachmaceae and Barbeyaceae.eng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1007/BF00988911
dc.identifier.issnISSN: 0378-2697
dc.identifier.issnEISSN: 1615-6110
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/27726
dc.language.isoengspa
dc.publisherSpringerNaturespa
dc.relation.citationEndPage119
dc.relation.citationIssueNo. 1-2
dc.relation.citationStartPage103
dc.relation.citationTitlePlant Systematics and Evolution, Oesterreichische Botanische Zeitschrift
dc.relation.citationVolumeVol. 213
dc.relation.ispartofPlant Systematics and Evolution, ISSN: 0378-2697 ; EISSN: 1615-6110, Vol.213, No.1-2 (1998); pp. 103–119spa
dc.relation.urihttps://link.springer.com/article/10.1007%2FBF0098891spa
dc.rights.accesRightsinfo:eu-repo/semantics/restrictedAccess
dc.rights.accesoRestringido (Acceso a grupos específicos)spa
dc.sourcePlant Systematics and Evolution, Oesterreichische Botanische Zeitschriftspa
dc.source.instnameinstname:Universidad del Rosario
dc.source.reponamereponame:Repositorio Institucional EdocUR
dc.subject.keywordBarbeyaceaespa
dc.subject.keywordDirachmaceaespa
dc.subject.keywordElaeagnaceaespa
dc.subject.keywordRhamnaceaespa
dc.subject.keywordRosaceaespa
dc.subject.keywordUlmaceaespa
dc.subject.keywordUrticalesspa
dc.subject.keywordBarbeyaspa
dc.subject.keywordDirachma. - Actinorhizal symbiosisspa
dc.subject.keywordPlastid DNAspa
dc.subject.keywordMonotypic plant familiesspa
dc.subject.keywordPhylogenyspa
dc.subject.keywordRbcLspa
dc.subject.keywordRosidsspa
dc.subject.keywordRnL-Fspa
dc.subject.keywordAfricaspa
dc.subject.keywordArabiaspa
dc.subject.keywordSocotraspa
dc.subject.keywordSomalia.spa
dc.titleFamily relationships of the enigmatic rosid genera Barbeya and Dirachma from the Horn of Africa regionspa
dc.title.TranslatedTitleRelaciones familiares de los enigmáticos géneros rosidos Barbeya y Dirachma de la región del Cuerno de Áfricaspa
dc.typearticleeng
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion
dc.type.spaArtículospa
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