chalice vine vs shrub

chalice vine and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
chalice vine	Yes	No	No	No
shrub	Yes	No	No	No

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

chalice vine: Mexican evergreen climbing plant having large solitary funnel-shaped fragrant yellow flowers with purple-brown ridges in the throat
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of chalice vine include bush.

chalice vine (noun)	shrub (noun)
Mexican evergreen climbing plant having large solitary funnel-shaped fragrant yellow flowers with purple-brown ridges in the throat	a low woody perennial plant usually having several major stems