Yellow hornpoppy (Παπαρούνα της θάλασσας)

Glaucium flavum (yellow hornpoppy or yellow horned poppy) is a summer flowering plant in the Papaveraceae family, and a very common Greek wild flower, commonly known as the "sea poppy" (Παπαρούνα της θάλασσας), or as the "yellow poppy".
It was spotted in full bloom in Soutrali beach, Pagasitikow gulf, Greece.