Hottonia vs dicot genus

Hottonia and dicot genus both are nouns.

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

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

Hottonia: a genus of aquatic herbs, comprising hottonia palustris and hottonia inflata (Hottonia)
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Hottonia include magnoliopsid genus.

Hottonia (noun)	dicot genus (noun)
a genus of aquatic herbs, comprising hottonia palustris and hottonia inflata (Hottonia)	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination