Litchi chinensis vs fruit tree

Litchi chinensis and fruit tree both are nouns.

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

As nouns, fruit tree is a hypernym of Litchi chinensis; that is, fruit tree is a word with a broader meaning than Litchi chinensis:

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

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