Cytisus vs rosid dicot genus

Cytisus and rosid dicot genus both are nouns.

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

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

Cytisus: large genus of stiff or spiny evergreen or deciduous Old World shrubs: broom
rosid dicot genus: a genus of dicotyledonous plants

Cytisus (noun)	rosid dicot genus (noun)
large genus of stiff or spiny evergreen or deciduous Old World shrubs: broom	a genus of dicotyledonous plants