potato tree vs vine

potato tree and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
potato tree	Yes	No	No	No
vine	Yes	No	No	No

As nouns, vine is a hypernym of potato tree; that is, vine is a word with a broader meaning than potato tree:

potato tree: hardy climbing shrub of Chile grown as an ornamental for its fragrant flowers; not a true potato
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

potato tree (noun)	vine (noun)
hardy climbing shrub of Chile grown as an ornamental for its fragrant flowers; not a true potato	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface
South American shrub or small tree widely cultivated in the tropics; not a true potato