Agrostemma brachyloba Agrostemma githago Agrostemma is a genus of annual plants in the Caryophyllaceae family, containing the species known as corncockles. Its best-known member is A. githago, the Common Corncockle, which is a native of Europe where it is simply called `the Corncockle`. The species is a weed of cereals and other crops, probably ..... Found on http://en.wikipedia.org/wiki/Agrostemma