@ARTICLE{TreeBASE2Ref18749, author = {Bart Jacobs and Nancy Pyck and Erik Smets}, title = {What we did not know about Abelia and Zabelia, and how it affects Dipsacales phylogeny.}, year = {2010}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Molecular Phylogenetics and Evolution}, volume = {}, number = {}, pages = {}, abstract = {Phylogenetic investigations based on molecular and morphological data have improved our understanding of Dipsacales phylogeny dramatically. The Linnaea clade, however, has mostly been neglected and Zabelia has mostly been excluded from previous studies. We present results of a molecular investigation including nine Abelia and five Zabelia species based on nuclear (ITS) and plastid (trnK, matK, atpB-rbcL, trnL-F) DNA sequence data using maximum parsimony, Bayesian inference, and maximum likelihood. Our results indicate that Abelia is paraphyletic and possibly polyphyletic. The genus falls apart in a Mexican clade, corresponding to Abelia section Vesalea, and an Asian clade (excluding A. spathulata), corresponding to Abelia section Abelia. A close relationship between Zabelia and other members of the traditional Linnaea clade was not recovered by our analyses. Instead, Zabelia was associated with either the Morina or Valeriana clade, though with varying support. Support for a Linnaea clade without Zabelia is strong. Although intergeneric relationships of the Linnaea clade remain unclear, several important, new insights are presented.} }

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