Tribulus vs rosid dicot genus

Tribulus and rosid dicot genus both are nouns.

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

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

Tribulus (noun)	rosid dicot genus (noun)
annual or perennial herbs or subshrubs of warm regions	a genus of dicotyledonous plants