Apios americana vs Indian potato

Apios americana and Indian potato both are nouns.

Word	Noun	Adjective	Verb	Adverb
Apios americana	Yes	No	No	No
Indian potato	Yes	No	No	No

As nouns, Apios americana and Indian potato are synonyms defined as:

Apios americana and Indian potato: a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans

Other synonyms of Apios americana include Apios tuberosa, groundnut, groundnut vine, potato bean, wild bean.

Apios americana (noun)	Indian potato (noun)
a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans	very tall American perennial of central and the eastern United States to Canada having edible tuberous roots
	a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans