Anthophyta n 1: comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta) [syn: {Angiospermae}, {class Angiospermae}, {Magnoliophyta}, {division Magnoliophyta}, {Anthophyta}, {division Anthophyta}]