Gleditsia vs rosid dicot genus

Gleditsia and rosid dicot genus both are nouns.

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

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

Gleditsia (noun)	rosid dicot genus (noun)
deciduous trees: honey locusts	a genus of dicotyledonous plants