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Phylogeny of the pan-tropical family Marantaceae

AuthorsAl-Gharaibeh, Mohammad Mufleh; Borchsenius, F.; McKechnie, L.; Sanmartin, I.; Ley, Alexandra C.
Issue Date10-Jan-2017
PublisherMartin-Luther-Universität Halle-Wittenberg
CitationSeed germination and genetic structure of two Salvia species in response to environmental variables among phytogeographic regions in Jordan (Part I) and Phylogeny of the pan-tropical family Marantaceae (Part II) 4: 49-109 (2017)
AbstractPhylogenetic resolution of problematic taxonomic groups can be improved and strengthened by increasing the amount of molecular data and the sampling of ingroup taxa. Here we reassess the phylogeny of the pantropically distributed family Marantaceae compiling a complete genera sampling and using both chloroplast and nuclear markers. Phylogenetic analyses were conducted on a set of four genetic markers (chloroplast markers: trnL, matK, rps16 and nuclear marker: ITS) for 187 ingroup taxa representing all 29 Marantaceae genera under Maximum Likelihood (ML), Maximum parsimony (MP) criteria and Bayesian Inference (BI). The resulting tree topology focusing on the resolution of major clades was mostly congruent among applied methods and with preexisting family phylogenies. A few relationships within genera or clades were newly resolved here. A genus, Monophyllanthe, added to the phylogeny here for the first time appeared within the Stachyphrynium clade as sister to the genus Marantochloa. Only the affinity of the genus Haumania to one of the other major clades still remained uncertain. Four genera, Calathea, Ischnosiphon, Maranta and Schumannianthus were identified as being non-monophyletic. Such a robust phylogeny based on multiple molecular markers from both genomes and a complete sampling of Marantaceae genera will be a solid base to investigate in the future the timing of speciation and the migration events leading to the currently observed biogeographical patterns in this family.
Publisher version (URL)http://d-nb.info/1124841199/34
Appears in Collections:(MNCN) Tesis
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