native holly vs shrub

native holly and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
native holly	Yes	No	No	No
shrub	Yes	No	No	No

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

native holly: low spreading evergreen shrub of southern Australia having triangular to somewhat heart-shaped foliage and orange-yellow flowers followed by flat winged pods
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of native holly include bush.

native holly (noun)	shrub (noun)
low spreading evergreen shrub of southern Australia having triangular to somewhat heart-shaped foliage and orange-yellow flowers followed by flat winged pods	a low woody perennial plant usually having several major stems