Iris florentina vs Florentine iris

Iris florentina and Florentine iris both are nouns.

Word	Noun	Adjective	Verb	Adverb
Iris florentina	Yes	No	No	No
Florentine iris	Yes	No	No	No

As nouns, Iris florentina and Florentine iris are synonyms defined as:

Iris florentina and Florentine iris: German iris having large white flowers with lavender-tinged falls and a fragrant rhizome

Other synonyms of Iris florentina include Iris germanica florentina, orris.

Iris florentina (noun)	Florentine iris (noun)
German iris having large white flowers with lavender-tinged falls and a fragrant rhizome	German iris having large white flowers with lavender-tinged falls and a fragrant rhizome