Litchi chinensis vs litchi tree

Litchi chinensis and litchi tree both are nouns.

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

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

Litchi chinensis and litchi tree: 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, Nephelium litchi.

Litchi chinensis (noun)	litchi tree (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