sweet potato vine vs Ipomoea batatas

sweet potato vine and Ipomoea batatas both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet potato vine	Yes	No	No	No
Ipomoea batatas	Yes	No	No	No

As nouns, sweet potato vine and Ipomoea batatas are synonyms defined as:

sweet potato vine and Ipomoea batatas: pantropical vine widely cultivated in several varieties for its large sweet tuberous root with orange flesh

Other synonyms of sweet potato vine include sweet potato.

sweet potato vine (noun)	Ipomoea batatas (noun)
pantropical vine widely cultivated in several varieties for its large sweet tuberous root with orange flesh	pantropical vine widely cultivated in several varieties for its large sweet tuberous root with orange flesh