cen·tau·rea /sɛnˈtɔriə/
Cen·tau·re·a prop. n. Bot. A large genus of composite plants, related to the thistles and including the cornflower or bluebottle (Centaurea Cyanus) and the star thistle (Centaurea Calcitrapa).
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Centaurea
n : knapweed; star thistle [syn: genus Centaurea]