Florentine iris vs bearded iris

Florentine iris and bearded iris both are nouns.

Word	Noun	Adjective	Verb	Adverb
Florentine iris	Yes	No	No	No
bearded iris	Yes	No	No	No

As nouns, bearded iris is a hypernym of Florentine iris; that is, bearded iris is a word with a broader meaning than Florentine iris:

Florentine iris: German iris having large white flowers with lavender-tinged falls and a fragrant rhizome
bearded iris: any of numerous wild or cultivated irises with hairlike structures on the falls (the drooping sepals)

Florentine iris (noun)	bearded iris (noun)
German iris having large white flowers with lavender-tinged falls and a fragrant rhizome	any of numerous wild or cultivated irises with hairlike structures on the falls (the drooping sepals)