Melicocca vs magnoliopsid genus

Melicocca and magnoliopsid genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Melicocca	Yes	No	No	No
magnoliopsid genus	Yes	No	No	No

As nouns, magnoliopsid genus is a hypernym of Melicocca; that is, magnoliopsid genus is a word with a broader meaning than Melicocca:

Melicocca: tropical American trees and shrubs bearing berries
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Melicocca include dicot genus.

Melicocca (noun)	magnoliopsid genus (noun)
tropical American trees and shrubs bearing berries	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination