Solanum wrightii vs shrub

Solanum wrightii and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Solanum wrightii	Yes	No	No	No
shrub	Yes	No	No	No

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

Solanum wrightii: South American shrub or small tree widely cultivated in the tropics; not a true potato
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Solanum wrightii include bush.

Solanum wrightii (noun)	shrub (noun)
South American shrub or small tree widely cultivated in the tropics; not a true potato	a low woody perennial plant usually having several major stems