genus Genlisea vs plant genus

genus Genlisea and plant genus both are nouns.

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

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

genus Genlisea: small genus of carnivorous plants of tropical African swamps
plant genus: a genus of plants

genus Genlisea (noun)	plant genus (noun)
small genus of carnivorous plants of tropical African swamps	a genus of plants