Ardisia vs dicot genus

Ardisia and dicot genus both are nouns.

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

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

Ardisia: tropical evergreen subshrubs (some climbers) to trees of Asia and Australasia to Americas
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Ardisia include magnoliopsid genus.

Ardisia (noun)	dicot genus (noun)
tropical evergreen subshrubs (some climbers) to trees of Asia and Australasia to Americas	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination