wild potato vine vs Ipomoea fastigiata

wild potato vine and Ipomoea fastigiata both are nouns.

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

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

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

wild 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