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A '''Cornflower''', or '''bachelor's button''', is a plant belonging to the genus ''Centaurea'', especially ''Centaurea cyanus''.

A '''Cornflower''', or '''bachelor's button''', is a plant belonging to the genus ''Centaurea'', especially ''Centaurea cyanus''.

It is an composite herb (member of the family ''Compositae'' or ''Asteraceae'') with compound inflorescences, structurally similar to those of the dandelion. The flowers are most often blue, but can be other colors as well. The plant is native to western and central Russia, but has been widely introduced throughout Europe, North America, and central Asia. In some parts of Europe, the wild cornflower is a weed.

It is an composite [[herb]] (member of the family ''Compositae'' or ''Asteraceae'') with compound inflorescences, structurally similar to those of the [[dandelion]]. The [[flower]]s are most often [[blue]], but can be other colors as well. The plant is native to western and central [[Russia]], but has been widely introduced throughout [[Europe]], [[North America]], and central [[Asia]]. In some parts of Europe, the wild cornflower is a weed.

Cornflowers are often found in a symbiotic association with [[rye]]. Cornflowers, by repelling destructive insects, can increase the rye crop yield <ref>Soloukhin, 1972.</ref>

Cornflowers are often found in a symbiotic association with [[rye]]. Cornflowers, by repelling destructive insects, can increase the rye crop yield <ref>Soloukhin, 1972.</ref>

It also is a symbol of the CIS (formerly USSR), and represents abundance when it is depicted in Russian heraldry.

It also is a symbol of the CIS (formerly USSR), and represents abundance when it is depicted in Russian heraldry.