Acocanthera venenata vs shrub

Acocanthera venenata and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Acocanthera venenata	Yes	No	No	No
shrub	Yes	No	No	No

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

Other hypernyms of Acocanthera venenata include bush.

Acocanthera venenata (noun)	shrub (noun)
evergreen shrub or tree of South Africa	a low woody perennial plant usually having several major stems