wallflower vs flower

wallflower and flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
wallflower	Yes	No	No	No
flower	Yes	No	Yes	No

As nouns, flower is a hypernym of wallflower; that is, flower is a word with a broader meaning than wallflower:

wallflower: perennial of southern Europe having clusters of fragrant flowers of all colors especially yellow and orange; often naturalized on old walls or cliffs; sometimes placed in genus Erysimum
flower: a plant cultivated for its blooms or blossoms

As nouns, flower is a hypernym of wallflower; that is, flower is a word with a broader meaning than wallflower:

wallflower: any of numerous plants of the genus Erysimum having fragrant yellow or orange or brownish flowers
flower: a plant cultivated for its blooms or blossoms

wallflower (noun)	flower (noun)
remains on sidelines at social event	a plant cultivated for its blooms or blossoms
perennial of southern Europe having clusters of fragrant flowers of all colors especially yellow and orange; often naturalized on old walls or cliffs; sometimes placed in genus Erysimum	reproductive organ of angiosperm plants especially one having showy or colorful parts
any of numerous plants of the genus Erysimum having fragrant yellow or orange or brownish flowers	the period of greatest prosperity or productivity

wallflower (verb)	flower (verb)
	produce or yield flowers