meadow-beauty family vs family Melastomataceae

meadow-beauty family and family Melastomataceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
meadow-beauty family	Yes	No	No	No
family Melastomataceae	Yes	No	No	No

As nouns, meadow-beauty family and family Melastomataceae are synonyms defined as:

meadow-beauty family and family Melastomataceae: a family of trees and bushes and herbs of order Myrtales; many are cultivated as ornamentals

Other synonyms of meadow-beauty family include family Melastomaceae, Melastomaceae, Melastomataceae.

meadow-beauty family (noun)	family Melastomataceae (noun)
a family of trees and bushes and herbs of order Myrtales; many are cultivated as ornamentals	a family of trees and bushes and herbs of order Myrtales; many are cultivated as ornamentals