brodiaea vs liliaceous plant

brodiaea and liliaceous plant both are nouns.

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

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

brodiaea: any of several plants of the genus Brodiaea having basal grasslike leaves and globose flower heads on leafless stems resembling those of genus Allium
liliaceous plant: plant growing from a bulb or corm or rhizome or tuber

brodiaea (noun)	liliaceous plant (noun)
any of several plants of the genus Brodiaea having basal grasslike leaves and globose flower heads on leafless stems resembling those of genus Allium	plant growing from a bulb or corm or rhizome or tuber