Liquidambar vs plant genus

Liquidambar and plant genus both are nouns.

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

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

Liquidambar (noun)	plant genus (noun)
sweet gum	a genus of plants