Prunella vs asterid dicot genus

Prunella and asterid dicot genus both are nouns.

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

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

Prunella: small genus of perennial mostly Eurasian having terminal spikes of small purplish or white flowers
asterid dicot genus: genus of more or less advanced dicotyledonous herbs and some trees and shrubs

Prunella (noun)	asterid dicot genus (noun)
type genus of the Prunellidae	genus of more or less advanced dicotyledonous herbs and some trees and shrubs
small genus of perennial mostly Eurasian having terminal spikes of small purplish or white flowers