Rosa vs rosid dicot genus

Rosa and rosid dicot genus both are nouns.

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

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

Rosa (noun)	rosid dicot genus (noun)
large genus of erect or climbing prickly shrubs including roses	a genus of dicotyledonous plants