Olearia vs asterid dicot genus

Olearia and asterid dicot genus both are nouns.

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

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

Olearia: large genus of Australian evergreen shrubs or small trees with large daisylike flowers
asterid dicot genus: genus of more or less advanced dicotyledonous herbs and some trees and shrubs

Olearia (noun)	asterid dicot genus (noun)
large genus of Australian evergreen shrubs or small trees with large daisylike flowers	genus of more or less advanced dicotyledonous herbs and some trees and shrubs