Cephalotus vs rosid dicot genus

Cephalotus and rosid dicot genus both are nouns.

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

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

Cephalotus (noun)	rosid dicot genus (noun)
one species: Australian pitcher plant	a genus of dicotyledonous plants