Pistacia vs dicot genus

Pistacia and dicot genus both are nouns.

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

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

Pistacia: a dicotyledonous genus of trees of the family Anacardiaceae having drupaceous fruit
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Pistacia include magnoliopsid genus.

Pistacia (noun)	dicot genus (noun)
a dicotyledonous genus of trees of the family Anacardiaceae having drupaceous fruit	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination