Hakea lissosperma vs shrub

Hakea lissosperma and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hakea lissosperma	Yes	No	No	No
shrub	Yes	No	No	No

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

Hakea lissosperma: shrub with pungent rigid needle-shaped leaves and white flowers; eastern Australia
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Hakea lissosperma include bush.

Hakea lissosperma (noun)	shrub (noun)
shrub with pungent rigid needle-shaped leaves and white flowers; eastern Australia	a low woody perennial plant usually having several major stems