Cinchona cordifolia vs cinchona

Cinchona cordifolia and cinchona both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cinchona cordifolia	Yes	No	No	No
cinchona	Yes	No	No	No

As nouns, cinchona is a hypernym of Cinchona cordifolia; that is, cinchona is a word with a broader meaning than Cinchona cordifolia:

Cinchona cordifolia: Colombian tree; source of Cartagena bark (a cinchona bark)
cinchona: any of several trees of the genus Cinchona

Other hypernyms of Cinchona cordifolia include chinchona.

Cinchona cordifolia (noun)	cinchona (noun)
Colombian tree; source of Cartagena bark (a cinchona bark)	any of several trees of the genus Cinchona
	medicinal bark of cinchona trees; source of quinine and quinidine