Magnolia fraseri vs magnolia

Magnolia fraseri and magnolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Magnolia fraseri	Yes	No	No	No
magnolia	Yes	No	No	No

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

Magnolia fraseri: small erect deciduous tree with large leaves in coiled formations at branch tips
magnolia: any shrub or tree of the genus Magnolia; valued for their longevity and exquisite fragrant blooms

Magnolia fraseri (noun)	magnolia (noun)
small erect deciduous tree with large leaves in coiled formations at branch tips	any shrub or tree of the genus Magnolia; valued for their longevity and exquisite fragrant blooms
	dried bark of various magnolias; used in folk medicine