Mammea americana vs fruit tree

Mammea americana and fruit tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mammea americana	Yes	No	No	No
fruit tree	Yes	No	No	No

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

Mammea americana: tropical American tree having edible fruit with a leathery rind
fruit tree: tree bearing edible fruit

Mammea americana (noun)	fruit tree (noun)
tropical American tree having edible fruit with a leathery rind	tree bearing edible fruit