Poncirus vs rosid dicot genus

Poncirus and rosid dicot genus both are nouns.

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

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

Poncirus (noun)	rosid dicot genus (noun)
one species: trifoliate orange	a genus of dicotyledonous plants