Vietnam: Two men smoking opium, Annam, 18th century

Opium poppy, Papaver somniferum, is the species of plant from which opium and poppy seeds are extracted. Opium is the source of many opiates, including morphine, thebaine, codeine, papaverine, and noscapine. The Latin botanical name means 'sleep-bringing poppy', referring to the sedative properties of some of these opiates.

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