genus Litchi vs dicot genus

genus Litchi and dicot genus both are nouns.

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

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

genus Litchi: Chinese trees
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of genus Litchi include magnoliopsid genus.

genus Litchi (noun)	dicot genus (noun)
Chinese trees	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination