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bluebottle, bachelor's button, cornflower, Centaurea cyanus | an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers ❲Centaurea cyanus❳ | |
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cornflower, strawflower, Uvularia grandiflora | plant of southern and southeastern United States grown for its yellow flowers that can be dried ❲Uvularia grandiflora❳ |