China rose vs Rose of China

China rose and Rose of China both are nouns.

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

As nouns, China rose and Rose of China are synonyms defined as:

China rose and Rose of China: large showy Asiatic shrub or small tree having large single or double red to deep-red flowers

Other synonyms of China rose include Chinese hibiscus, Hibiscus rosa-sinensis, shoe black, shoeblack plant.

China rose (noun)	Rose of China (noun)
large showy Asiatic shrub or small tree having large single or double red to deep-red flowers	large showy Asiatic shrub or small tree having large single or double red to deep-red flowers
shrubby Chinese rose; ancestor of many cultivated garden roses