Introduction to the Groups Treated in this Volume

  title={Introduction to the Groups Treated in this Volume},
  author={K. Kubitzki},
A close relationship between Berberidopsidaceae and Aextoxicaceae has never been considered until gene sequence studies provided strong support for a relationship between them (see family treatments). In the four-gene analysis of eudicots (Soltis et al. 2003), Gunnerales and subsequently Berberidopsidales are sister to all other core eudicots, the latter being strongly supported by molecular data and isolated from all other clades (Fig. 1). Aextoxicum has long been known for its peculiar wood… Expand

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