Paliurus vs dicot genus

Paliurus and dicot genus both are nouns.

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

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

Paliurus: thorny Eurasian shrubs
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Paliurus include magnoliopsid genus.

Paliurus (noun)	dicot genus (noun)
thorny Eurasian shrubs	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination