page_title: Dilleniaceae
section_title: Taxonomy and Phylogeny
hierarchical_section_title: Dilleniaceae / Taxonomy and Phylogeny
caption_attribution_description: English: Dillenia suffruticosa flowers and racemes. From West Kalimantan, Indonesia. Bahasa Indonesia: Bunga-bunga sempur air (Dillenia suffruticosa) dlam karangannya. Dari Traju, Toba, Sanggau.
context_page_description: Dilleniaceae is a family of flowering plants with 11 genera and about 430 known species. Such a family has been universally recognized by taxonomists. It is known to gardeners for the genus Hibbertia, which contains many commercially valuable garden species.
context_section_description: The position of the family in the phylogenetic tree and its classification among the other eudicots is uncertain. Some studies suggested that Dilleniaceae may be sister to Rhabdodendraceae which is a clade that was thought to be sister to all the rest Caryophyllales. The caryophyllid Rhabdodendron and the members in the family with the questionable placement in fact share some morphological characteristics but it was found that Rhabdodendraceae is actually sister only to the core members of its order.
  Another possible situation places Dilleniaceae as an ancient group, sister to the superrosidae clade (the family shares some common morphology with Vitales) but this is not absolutely proven.
  The APG II system, of 2003 (unchanged from the APG system, of 1998), also recognizes this family, unplaced as to order, assigned to the clade core eudicots.
  APG II debates either including it in order Caryophyllales or reinstating the order Dilleniales for just this one family, but decides to leave it unplaced.
caption: Dillenia suffruticosa
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