Rhizophora vs dicot genus

Rhizophora and dicot genus both are nouns.

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

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

Rhizophora: type genus of the Rhizophoraceae; a small genus of tropical trees and shrubs
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Rhizophora include magnoliopsid genus.

Rhizophora (noun)	dicot genus (noun)
type genus of the Rhizophoraceae; a small genus of tropical trees and shrubs	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination