Griselinia lucida vs shrub

Griselinia lucida and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Griselinia lucida	Yes	No	No	No
shrub	Yes	No	No	No

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

Griselinia lucida: South American shrub or small tree having long shining evergreen leaves and panicles of green or yellow flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Griselinia lucida include bush.

Griselinia lucida (noun)	shrub (noun)
South American shrub or small tree having long shining evergreen leaves and panicles of green or yellow flowers	a low woody perennial plant usually having several major stems