genus Vinca vs dicot genus

genus Vinca and dicot genus both are nouns.

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

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

genus Vinca: periwinkles: low creeping evergreen perennials
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of genus Vinca include magnoliopsid genus.

genus Vinca (noun)	dicot genus (noun)
periwinkles: low creeping evergreen perennials	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination