rose vs Rosa canina

rose and Rosa canina both are nouns.

Word	Noun	Adjective	Verb	Adverb
rose	Yes	Yes	No	No
Rosa canina	Yes	No	No	No

As nouns, Rosa canina is a hyponym of rose; that is, Rosa canina is a word with a more specific, narrower meaning than rose:

rose: any of many shrubs of the genus Rosa that bear roses
Rosa canina: prickly wild rose with delicate pink or white scentless flowers; native to Europe

rose (noun)	Rosa canina (noun)
a dusty pink color	prickly wild rose with delicate pink or white scentless flowers; native to Europe
pinkish table wine from red grapes whose skins were removed after fermentation began
any of many shrubs of the genus Rosa that bear roses

rose (adjective)	Rosa canina (adjective)
of something having a dusty purplish pink color