Melia vs rosid dicot genus

Melia and rosid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Melia	Yes	No	No	No
rosid dicot genus	Yes	No	No	No

As nouns, rosid dicot genus is a hypernym of Melia; that is, rosid dicot genus is a word with a broader meaning than Melia:

Melia: type genus of the Meliaceae: East Indian and Australian deciduous trees with leaves resembling those of the ash
rosid dicot genus: a genus of dicotyledonous plants

Melia (noun)	rosid dicot genus (noun)
type genus of the Meliaceae: East Indian and Australian deciduous trees with leaves resembling those of the ash	a genus of dicotyledonous plants