| Hallucinogens such as Atropa belladonna, Papaver somniferium, and Mandragora officinarum, as well as 250 other plants were used by Assyrians. |
| Like many other species of Papaver, the plant exudes white to yellowish latex when the tissues are broken. |
| Opium, an exudate of Papaver somniferum, a poppy cultivated historically in Asia, was already well known to Galen. |
| All sorts of poppies can be sown in this way too, including our red corn poppy, Papaver rhoeas. |
| Ontogeny and cytochemistry of alkaloidal vesicles in laticifers of Papaver somniferum, American Jour. |
| The field poppy or corn poppy, Papaver rhoeas, is the poppy of wartime remembrance. |
