| Noun | 1. | family Nymphaeaceae - dicot aquatic plants magnoliid dicot family - family of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms order Ranales, order Ranunculales, Ranales, Ranunculales - herbs, shrubs and trees: includes families Ranunculaceae; Annonaceae; Berberidaceae; Magnoliaceae; Menispermaceae; Myristicaceae; Nymphaeaceae; Lardizabalaceae; Lauraceae; Calycanthaceae; Ceratophyllaceae; Cercidiphyllaceae water lily - an aquatic plant of the family Nymphaeaceae genus Nymphaea, Nymphaea - the type genus of the family Nymphaeaceae; any of a variety of water lilies genus Nuphar, Nuphar - spatterdocks Nelumbonaceae, subfamily Nelumbonaceae - in some classifications considered an independent family of water lilies; comprises the single genus Nelumbo Cabombaceae, subfamily Cabombaceae, water-shield family - in some classifications considered an independent family of water lilies; comprises the genera Cabomba and Brasenia |