Prunus vs rosid dicot genus

Prunus and rosid dicot genus both are nouns.

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

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

Prunus: a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions
rosid dicot genus: a genus of dicotyledonous plants

Prunus (noun)	rosid dicot genus (noun)
a genus of shrubs and trees of the family Rosaceae that is widely distributed in temperate regions	a genus of dicotyledonous plants