Brugmansia sanguinea vs shrub

Brugmansia sanguinea and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brugmansia sanguinea	Yes	No	No	No
shrub	Yes	No	No	No

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

Brugmansia sanguinea: arborescent South American shrub having very large orange-red flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Brugmansia sanguinea include bush.

Brugmansia sanguinea (noun)	shrub (noun)
arborescent South American shrub having very large orange-red flowers	a low woody perennial plant usually having several major stems