
Papaver somniferum, the Opium poppy, is the species of plant from which opium and poppy seeds are derived. Opium is the source of many narcotics, including morphine (and its derivative heroin), thebaine, codeine, papaverine, and noscapine. The Latin botanical name means the `sleep-bringing poppy`, referring to the sedative properties of some of .....
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http://en.wikipedia.org/wiki/Papaver_somniferum

Latin name for the opium poppy.
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https://www.encyclo.co.uk/local/20528
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