Russian vine vs vine

Russian vine and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Russian vine	Yes	No	No	No
vine	Yes	No	No	No

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

Russian vine: twining perennial vine having racemes of fragrant greenish flowers; western China to Russia
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

Russian vine (noun)	vine (noun)
twining perennial vine having racemes of fragrant greenish flowers; western China to Russia	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface