rose vs China rose

rose and China rose both are nouns.

Word	Noun	Adjective	Verb	Adverb
rose	Yes	Yes	No	No
China rose	Yes	No	No	No

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

rose (noun)	China rose (noun)
a dusty pink color	large showy Asiatic shrub or small tree having large single or double red to deep-red flowers
pinkish table wine from red grapes whose skins were removed after fermentation began	shrubby Chinese rose; ancestor of many cultivated garden roses
any of many shrubs of the genus Rosa that bear roses

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