Litchi chinensis vs Nephelium litchi

Litchi chinensis and Nephelium litchi both are nouns.

Word	Noun	Adjective	Verb	Adverb
Litchi chinensis	Yes	No	No	No
Nephelium litchi	Yes	No	No	No

As nouns, Litchi chinensis and Nephelium litchi are synonyms defined as:

Litchi chinensis and Nephelium litchi: Chinese tree cultivated especially in Philippines and India for its edible fruit; sometimes placed in genus Nephelium

Other synonyms of Litchi chinensis include lichee, litchi, litchi tree.

Litchi chinensis (noun)	Nephelium litchi (noun)
Chinese tree cultivated especially in Philippines and India for its edible fruit; sometimes placed in genus Nephelium	Chinese tree cultivated especially in Philippines and India for its edible fruit; sometimes placed in genus Nephelium