A taxonomic <xref>order</xref> within the <xref>class</xref> <xref>Magnoliopsida</xref> — many <xref>flowering plants</xref> related to the <xref>buttercups</xref>..
User Defined Definitions
"herbs, shrubs and trees: includes families Ranunculaceae; Annonaceae; Berberidaceae; Magnoliaceae; Menispermaceae; Myristicaceae; Nymphaeaceae; Lardizabalaceae; Lauraceae; Calycanthaceae; Ceratophylla"