Ajuga vs asterid dicot genus

Ajuga and asterid dicot genus both are nouns.

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

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

Ajuga: bugle
asterid dicot genus: genus of more or less advanced dicotyledonous herbs and some trees and shrubs

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