bulbous plant vs vascular plant

bulbous plant and vascular plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
bulbous plant	Yes	No	No	No
vascular plant	Yes	No	No	No

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

bulbous plant: plant growing from a bulb
vascular plant: green plant having a vascular system: ferns, gymnosperms, angiosperms

Other hypernyms of bulbous plant include tracheophyte.

bulbous plant (noun)	vascular plant (noun)
plant growing from a bulb	green plant having a vascular system: ferns, gymnosperms, angiosperms