asphodel vs liliaceous plant

asphodel and liliaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
asphodel	Yes	No	No	No
liliaceous plant	Yes	No	No	No

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

asphodel: any of various chiefly Mediterranean plants of the genera Asphodeline and Asphodelus having linear leaves and racemes of white or pink or yellow flowers
liliaceous plant: plant growing from a bulb or corm or rhizome or tuber

asphodel (noun)	liliaceous plant (noun)
any of various chiefly Mediterranean plants of the genera Asphodeline and Asphodelus having linear leaves and racemes of white or pink or yellow flowers	plant growing from a bulb or corm or rhizome or tuber