Livistona vs plant genus

Livistona and plant genus both are nouns.

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

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

Livistona (noun)	plant genus (noun)
fan palms of Asia and Australia and Malaysia	a genus of plants