holly vs flowering tree

holly and flowering tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
holly	Yes	No	No	No
flowering tree	Yes	No	No	No

As nouns, flowering tree is a hypernym of holly; that is, flowering tree is a word with a broader meaning than holly:

holly: any tree or shrub of the genus Ilex having red berries and shiny evergreen leaves with prickly edges
flowering tree: any tree having seeds and ovules contained in the ovary

Other hypernyms of holly include angiospermous tree.

holly (noun)	flowering tree (noun)
any tree or shrub of the genus Ilex having red berries and shiny evergreen leaves with prickly edges	any tree having seeds and ovules contained in the ovary