cinchona tree vs Cinchona pubescens

cinchona tree and Cinchona pubescens both are nouns.

Word	Noun	Adjective	Verb	Adverb
cinchona tree	Yes	No	No	No
Cinchona pubescens	Yes	No	No	No

As nouns, cinchona tree and Cinchona pubescens are synonyms defined as:

cinchona tree and Cinchona pubescens: small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark

cinchona tree (noun)	Cinchona pubescens (noun)
small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark	small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark