wild sweet potato vine vs Ipomoea fastigiata

wild sweet potato vine and Ipomoea fastigiata both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild sweet potato vine	Yes	No	No	No
Ipomoea fastigiata	Yes	No	No	No

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

wild sweet potato vine and Ipomoea fastigiata: tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato

Other synonyms of wild sweet potato vine include Ipomoea panurata, man-of-the-earth, manroot, scammonyroot, wild potato vine.

wild sweet potato vine (noun)	Ipomoea fastigiata (noun)
tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato	tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato