Centaurea cyanus vs cornflower

Centaurea cyanus and cornflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Centaurea cyanus	Yes	No	No	No
cornflower	Yes	No	No	No

As nouns, Centaurea cyanus and cornflower are synonyms defined as:

Centaurea cyanus and cornflower: an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers

Other synonyms of Centaurea cyanus include bachelor's button, bluebottle.

Centaurea cyanus (noun)	cornflower (noun)
an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers	an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
	plant of southern and southeastern United States grown for its yellow flowers that can be dried