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1 April 2007 On the Taxonomy and Phylogenetic Position of Thomandersia
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Abstract
The taxonomy and phylogenetic position of Thomandersia were investigated through a comprehensive study of herbarium specimens and analyses of DNA sequence and non-sequence data. Phylogenetic analysis of all available evidence placed Thomandersia within Lamiales but outside Acanthaceae, the family in which it has traditionally been classified. Moreover, Thomandersia is shown to be a morphologically distinct clade, lying outside all currently circumscribed families of Lamiales. We therefore propose resurrection of family Thomandersiaceae. Phylogenetic analyses provide moderate support for a sister group relationship between Thomandersiaceae and Schlegeliaceae. In addition, the morphological variation within and between species is described and six species are recognized. A new taxonomic treatment of these six species, including an improved key, descriptions, illustrations and distribution maps, is provided.
A. H. Wortley, D. J. Harris and R. W. Scotland "On the Taxonomy and Phylogenetic Position of Thomandersia," Systematic Botany 32(2), (1 April 2007). https://doi.org/10.1600/036364407781179716
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