Planera vs dicot genus

Planera and dicot genus both are nouns.

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

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

Planera: a deciduous tree of the family Ulmaceae that grows in the southeastern United States
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Planera include magnoliopsid genus.

Planera (noun)	dicot genus (noun)
a deciduous tree of the family Ulmaceae that grows in the southeastern United States	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination