rose acacia vs shrub

rose acacia and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
rose acacia	Yes	No	No	No
shrub	Yes	No	No	No

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

rose acacia: large shrub or small tree of the eastern United States having bristly stems and large clusters of pink flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of rose acacia include bush.

rose acacia (noun)	shrub (noun)
large shrub or small tree of the eastern United States having bristly stems and large clusters of pink flowers	a low woody perennial plant usually having several major stems