Griselinia vs rosid dicot genus

Griselinia and rosid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Griselinia	Yes	No	No	No
rosid dicot genus	Yes	No	No	No

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

Griselinia (noun)	rosid dicot genus (noun)
evergreen shrubs of New Zealand and South America	a genus of dicotyledonous plants