Nauclea vs asterid dicot genus

Nauclea and asterid dicot genus both are nouns.

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

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

Nauclea: small genus of evergreen tropical shrubs or trees with smooth leathery leaves
asterid dicot genus: genus of more or less advanced dicotyledonous herbs and some trees and shrubs

Nauclea (noun)	asterid dicot genus (noun)
small genus of evergreen tropical shrubs or trees with smooth leathery leaves	genus of more or less advanced dicotyledonous herbs and some trees and shrubs