dicot genus vs genus

dicot genus and genus both are nouns.

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

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

dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
genus: (biology) taxonomic group containing one or more species

dicot genus (noun)	genus (noun)
genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination	a general kind of something
	(biology) taxonomic group containing one or more species