Myrciaria vs dicot genus

Myrciaria and dicot genus both are nouns.

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

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

Myrciaria: a genus of tropical American trees and shrubs of the myrtle family
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Myrciaria include magnoliopsid genus.

Myrciaria (noun)	dicot genus (noun)
a genus of tropical American trees and shrubs of the myrtle family	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination