Lathyrus odoratus vs vine

Lathyrus odoratus and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lathyrus odoratus	Yes	No	No	No
vine	Yes	No	No	No

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

Lathyrus odoratus: climbing garden plant having fragrant pastel-colored flowers
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

Lathyrus odoratus (noun)	vine (noun)
climbing garden plant having fragrant pastel-colored flowers	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface