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A Molecular Phylogeny and Taxonomic Notes in Caamembeca (Polygalaceae)

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Abstract—

Caamembeca (Polygalaceae) is a genus of 13 species endemic to South America. The genus is morphologically distinctive, e.g. supported by the putative morphologic synapomorphy of paired glands in a stipular position and on the rachis. However, its monophyly has not been robustly tested as only four species have been included in previous phylogenetic analyses. We present a phylogenetic analysis of 11 species based on nrITS, matK, the trnL intron, and trnL-trnF intergenic spacer. Relationships among Caamembeca species are discussed, and three new combinations are made, Caamembeca amazonensis , Caamembeca autranii , and Caamembeca formosa , providing an improved understanding of the genus.
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Keywords: New combination; Polygala section Ligustrina; South America

Document Type: Research Article

Publication date: 2017-03-01

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