Rosa multiflora vs baby rose

Rosa multiflora and baby rose both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rosa multiflora	Yes	No	No	No
baby rose	Yes	No	No	No

As nouns, Rosa multiflora and baby rose are synonyms defined as:

Rosa multiflora and baby rose: vigorously growing rose having clusters of numerous small flowers; used for hedges and as grafting stock

Other synonyms of Rosa multiflora include Japanese rose, multiflora, multiflora rose.

Rosa multiflora (noun)	baby rose (noun)
vigorously growing rose having clusters of numerous small flowers; used for hedges and as grafting stock	vigorously growing rose having clusters of numerous small flowers; used for hedges and as grafting stock