Pinguicula vs plant genus

Pinguicula and plant genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pinguicula	Yes	No	No	No
plant genus	Yes	No	No	No

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

Pinguicula: butterworts: a large genus of almost stemless carnivorous bog plants; Europe and America to Antarctica
plant genus: a genus of plants

Pinguicula (noun)	plant genus (noun)
butterworts: a large genus of almost stemless carnivorous bog plants; Europe and America to Antarctica	a genus of plants