Solanum crispum vs potato tree

Solanum crispum and potato tree both are nouns.

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

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

Solanum crispum and potato tree: hardy climbing shrub of Chile grown as an ornamental for its fragrant flowers; not a true potato

Solanum crispum (noun)	potato tree (noun)
hardy climbing shrub of Chile grown as an ornamental for its fragrant flowers; not a true potato	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