Psidium guineense vs fruit tree

Psidium guineense and fruit tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Psidium guineense	Yes	No	No	No
fruit tree	Yes	No	No	No

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

Psidium guineense: South American tree having fruit similar to the true guava
fruit tree: tree bearing edible fruit

Psidium guineense (noun)	fruit tree (noun)
South American tree having fruit similar to the true guava	tree bearing edible fruit