Parkia vs rosid dicot genus

Parkia and rosid dicot genus both are nouns.

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

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

Parkia (noun)	rosid dicot genus (noun)
genus of tropical Old World trees: nitta trees	a genus of dicotyledonous plants