Nepeta vs asterid dicot genus

Nepeta and asterid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nepeta	Yes	No	No	No
asterid dicot genus	Yes	No	No	No

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

Nepeta: catmint
asterid dicot genus: genus of more or less advanced dicotyledonous herbs and some trees and shrubs

Nepeta (noun)	asterid dicot genus (noun)
catmint	genus of more or less advanced dicotyledonous herbs and some trees and shrubs