Streptosolen jamesonii vs shrub

Streptosolen jamesonii and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Streptosolen jamesonii	Yes	No	No	No
shrub	Yes	No	No	No

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

Streptosolen jamesonii: evergreen South American shrub having showy trumpet-shaped orange flowers; grown as an ornamental or houseplant
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Streptosolen jamesonii include bush.

Streptosolen jamesonii (noun)	shrub (noun)
evergreen South American shrub having showy trumpet-shaped orange flowers; grown as an ornamental or houseplant	a low woody perennial plant usually having several major stems