magnolia vs flowering tree

magnolia and flowering tree both are nouns.

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

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

magnolia: any shrub or tree of the genus Magnolia; valued for their longevity and exquisite fragrant blooms
flowering tree: any tree having seeds and ovules contained in the ovary

Other hypernyms of magnolia include angiospermous tree.

magnolia (noun)	flowering tree (noun)
any shrub or tree of the genus Magnolia; valued for their longevity and exquisite fragrant blooms	any tree having seeds and ovules contained in the ovary
dried bark of various magnolias; used in folk medicine