genus Grevillea vs dicot genus

genus Grevillea and dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Grevillea	Yes	No	No	No
dicot genus	Yes	No	No	No

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

genus Grevillea: large genus of Australian shrubs and trees having usually showy orange or red flowers
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of genus Grevillea include magnoliopsid genus.

genus Grevillea (noun)	dicot genus (noun)
large genus of Australian shrubs and trees having usually showy orange or red flowers	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination