potato tree vs Brazilian potato tree

potato tree and Brazilian potato tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
potato tree	Yes	No	No	No
Brazilian potato tree	Yes	No	No	No

As nouns, potato tree and Brazilian potato tree are synonyms defined as:

potato tree and Brazilian potato tree: South American shrub or small tree widely cultivated in the tropics; not a true potato

Other synonyms of potato tree include Solanum macranthum, Solanum wrightii.

potato tree (noun)	Brazilian potato tree (noun)
hardy climbing shrub of Chile grown as an ornamental for its fragrant flowers; not a true potato	South American shrub or small tree widely cultivated in the tropics; not a true potato
South American shrub or small tree widely cultivated in the tropics; not a true potato