Brugmansia suaveolens vs shrub

Brugmansia suaveolens and shrub both are nouns.

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

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

Brugmansia suaveolens: South American plant cultivated for its very large nocturnally fragrant trumpet-shaped flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Brugmansia suaveolens include bush.

Brugmansia suaveolens (noun)	shrub (noun)
South American plant cultivated for its very large nocturnally fragrant trumpet-shaped flowers	a low woody perennial plant usually having several major stems