genus Juglans vs dicot genus

genus Juglans and dicot genus both are nouns.

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

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

genus Juglans: type genus of the Juglandaceae
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of genus Juglans include magnoliopsid genus.

genus Juglans (noun)	dicot genus (noun)
type genus of the Juglandaceae	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination