dwarf tulip vs tulip

dwarf tulip and tulip both are nouns.

Word	Noun	Adjective	Verb	Adverb
dwarf tulip	Yes	No	No	No
tulip	Yes	No	No	No

As nouns, tulip is a hypernym of dwarf tulip; that is, tulip is a word with a broader meaning than dwarf tulip:

dwarf tulip: small early blooming tulip
tulip: any of numerous perennial bulbous herbs having linear or broadly lanceolate leaves and usually a single showy flower

dwarf tulip (noun)	tulip (noun)
small early blooming tulip	any of numerous perennial bulbous herbs having linear or broadly lanceolate leaves and usually a single showy flower