Telopea speciosissima vs shrub

Telopea speciosissima and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Telopea speciosissima	Yes	No	No	No
shrub	Yes	No	No	No

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

Telopea speciosissima: straggling shrub with narrow leaves and conspicuous red flowers in dense globular racemes
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Telopea speciosissima include bush.

Telopea speciosissima (noun)	shrub (noun)
straggling shrub with narrow leaves and conspicuous red flowers in dense globular racemes	a low woody perennial plant usually having several major stems