genus Iris vs iris family

genus Iris and iris family both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Iris	Yes	No	No	No
iris family	Yes	No	No	No

As nouns, iris family is a hypernym of genus Iris; that is, iris family is a word with a broader meaning than genus Iris:

genus Iris: large genus of perennials that develop from bulbs or rhizomes
iris family: large family of usually perennial geophytic herbs with rhizomes or corms or bulbs

Other hypernyms of genus Iris include liliid monocot genus, family Iridaceae, Iridaceae.

genus Iris (noun)	iris family (noun)
large genus of perennials that develop from bulbs or rhizomes	large family of usually perennial geophytic herbs with rhizomes or corms or bulbs