potato tree vs Solanum macranthum

potato tree and Solanum macranthum both are nouns.

Word	Noun	Adjective	Verb	Adverb
potato tree	Yes	No	No	No
Solanum macranthum	Yes	No	No	No

As nouns, potato tree and Solanum macranthum are synonyms defined as:

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

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

potato tree (noun)	Solanum macranthum (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