Templetonia retusa vs shrub

Templetonia retusa and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Templetonia retusa	Yes	No	No	No
shrub	Yes	No	No	No

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

Templetonia retusa: Australian shrub having simple obovate leaves and brilliant scarlet flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Templetonia retusa include bush.

Templetonia retusa (noun)	shrub (noun)
Australian shrub having simple obovate leaves and brilliant scarlet flowers	a low woody perennial plant usually having several major stems