1. Capsule of " Papaver somniferum " showing latex ( opium ) exuding from incision. 2. There, among the sturdy iris stems, were the unmistakable blue-green lettuce leaves of Papaver somniferum . 3. A garden featuring intoxicating and cannabis, coca and the opium poppy " Papaver somniferum ". 4. Medieval Islamic physicians used natural substances as a source of medicinal drugs including " Papaver somniferum " 5. I grow Papaver somniferum _ opium poppies. 6. A . The poppy that is illegal is the opium poppy, the plant of the species Papaver somniferum . 7. Many varieties, strains, and cultivars of " Papaver somniferum " are in existence, and the alkaloid content can vary significantly. 8. This plant is closely related to and sometimes treated as a sub-species of opium poppy ( " Papaver somniferum " ). 9. I've grown Papaver somniferum , the opium poppy, ever since a friend gave me some seeds for Christmas about 10 years ago. 10. Partial dehydrogenation of laudanosine will lead to papaverine, the alkaloid found in the opium poppy plant ( " Papaver somniferum " ).