Diospyros vs dicot genus

Diospyros and dicot genus both are nouns.

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

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

Diospyros: a genus of trees or shrubs that have beautiful and valuable wood
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Diospyros include magnoliopsid genus.

Diospyros (noun)	dicot genus (noun)
a genus of trees or shrubs that have beautiful and valuable wood	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination