stokes' aster vs flower

stokes' aster and flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
stokes' aster	Yes	No	No	No
flower	Yes	No	Yes	No

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

stokes' aster: erect perennial of southeastern United States having large heads of usually blue flowers
flower: a plant cultivated for its blooms or blossoms

stokes' aster (noun)	flower (noun)
erect perennial of southeastern United States having large heads of usually blue flowers	a plant cultivated for its blooms or blossoms
	reproductive organ of angiosperm plants especially one having showy or colorful parts
	the period of greatest prosperity or productivity

stokes' aster (verb)	flower (verb)
	produce or yield flowers