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@ARTICLE{TreeBASE2Ref23144, author = {Diego L. Salariato and Fernando O. Zuloaga and Asuncion L Cano and Ihsan A. Al-Shehbaz}, title = {Molecular phylogenetics of tribe Eudemeae (Brassicaceae) and implications for its morphology and distribution}, year = {2014}, keywords = {Andes, Brassicaceae, Eudemeae, Morphology, South America, Phylogeny}, doi = {}, url = {http://}, pmid = {}, journal = {Molecular Phylogentics and Evolution}, volume = {}, number = {}, pages = {}, abstract = {Tribe Eudemeae comprises a morphologically heterogeneous group of genera distributed along the Andes of South America from Colombia southward into southern Chile and Argentina. The tribe currently includes seven genera: Aschersoniodoxa, Brayopsis, Dactylocardamum, Delpinophytum, Eudema, Onuris, and Xerodraba and exhibits a wide morphological diversification in growth habit, inflorescences, and fruits. However, little is known about the phylogenetic relationships and evolution of the tribe. We present here a molecular phylogeny of representative sampling of all genera, utilizing sequence data from the nuclear ribosomal ITS region and chloroplast regions trnL-F, trnH-psbA, and rps16. Additionally, ecoclimatological-niche of the tribe and its main lineages, along with the evolution of diagnostic morphological characters, were studied. All analyses confirmed the monophyly of Eudemeae, with the exception of Delpinophytum that was included with genera of the lineage I of Brassicaceae. Eudemeae is divided into two main lineages differentiated by their geographical distribution and ecoclimatological niche: the primarily north-central Andean lineage included Aschersoniodoxa, Brayopsis, Dactylocardamum, and Eudema, and the Patagonian and southern Andean lineage included Onuris and Xerodraba. Finally, ancestral-state reconstructions in the tribe generally reveal multiple and independent gains or losses of diagnostic morphological characters, such as growth form, inflorescence reduction, and fruit type. Relevant taxonomic implications stemming from the results are also discussed.} }