flowering tree vs division Magnoliophyta

flowering tree and division Magnoliophyta both are nouns.

Word	Noun	Adjective	Verb	Adverb
flowering tree	Yes	No	No	No
division Magnoliophyta	Yes	No	No	No

flowering tree (noun)	division Magnoliophyta (noun)
any tree having seeds and ovules contained in the ovary	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)