blood lily vs bulbous plant

blood lily and bulbous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
blood lily	Yes	No	No	No
bulbous plant	Yes	No	No	No

As nouns, bulbous plant is a hypernym of blood lily; that is, bulbous plant is a word with a broader meaning than blood lily:

blood lily: any of various deciduous or evergreen herbs of the genus Haemanthus; South Africa and Namibia
bulbous plant: plant growing from a bulb

blood lily (noun)	bulbous plant (noun)
any of various deciduous or evergreen herbs of the genus Haemanthus; South Africa and Namibia	plant growing from a bulb