%corncockle%

n. a European annual (Agrostemma githago) having large trumpet-shaped reddish-purple flowers and poisonous seed; a common weed in grainfields and beside roadways; naturalized in America.
Syn. -- corn cockle, corn-cockle, corn campion, crown-of-the-field, Agrostemma githago. [ WordNet 1.5 ]