genus Zamia vs gymnosperm genus

genus Zamia and gymnosperm genus both are nouns.

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

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

genus Zamia: genus of small evergreen tropical and subtropical American cycads
gymnosperm genus: a genus of gymnosperms

genus Zamia (noun)	gymnosperm genus (noun)
genus of small evergreen tropical and subtropical American cycads	a genus of gymnosperms