Christmas rose vs winter rose

Christmas rose and winter rose both are nouns.

Word	Noun	Adjective	Verb	Adverb
Christmas rose	Yes	No	No	No
winter rose	Yes	No	No	No

As nouns, Christmas rose and winter rose are synonyms defined as:

Christmas rose and winter rose: European evergreen plant with white or purplish rose-like winter-blooming flowers

Other synonyms of Christmas rose include black hellebore, Helleborus niger.

Christmas rose (noun)	winter rose (noun)
European evergreen plant with white or purplish rose-like winter-blooming flowers	European evergreen plant with white or purplish rose-like winter-blooming flowers