cornflower

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cornflower

Herbal medicine 
(1) European centaury, see there; Centaurium umbellatum.  
(2) Centaurea cyanus, a flowering annual native to Europe and the Near East, which contains cyanine and phytosterols; it has been used for conjunctivitis and coughs.
References in periodicals archive ?
Mental health flourishes in a row of colorful zinnias in full bloom, surrounded by drifts of bachelor buttons.
Some annual wildflowers that can be grown from seed in sunny sites include cosmos, cornflower or bachelor buttons, larkspur and cleome.
Poppies, bachelor buttons, petunias, spinach, lettuce, cabbage and other leaf and root crops can go in next.