genus Tsuga vs gymnosperm genus

genus Tsuga and gymnosperm genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Tsuga	Yes	No	No	No
gymnosperm genus	Yes	No	No	No

As nouns, gymnosperm genus is a hypernym of genus Tsuga; that is, gymnosperm genus is a word with a broader meaning than genus Tsuga:

genus Tsuga (noun)	gymnosperm genus (noun)
hemlock; hemlock fir; hemlock spruce	a genus of gymnosperms