Jenifer de Carvalho Lopes

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A new species of Ephedranthus from the Brazilian Atlantic Forest is described and illustrated, and a preliminary key to the species of Ephedranthus is presented. Ephedranthus dimerus is the only species of the genus from the Atlantic Forest region and the first species of the genus with dimerous flowers. It is similar to E. guianensis in having narrowly(More)
The molecular clock hypothesis is an important concept in biology. Deviations from a constant rate of nucleotide substitution have been found widely among lineages, genomes, genes and individual sites. Phylogenetic research can accommodate for these differences in applying specific models of evolution. Lineage-specific rate heterogeneity however can(More)
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