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Siyah Kalem or 'Black Pen' is the name given to the 15th century school of painting attributed to Mehmed Siyah Kalem. Nothing is known of his life, but his work indicates that he was of Central Asian Turkic origin, and thoroughly familiar with camp and military life. The paintings appear in the 'Conqueror’s Albums', so named because two portraits of Sultan Mehmed II the Conqueror are present in one of them.<br/><br/> The albums are made up of miniatures taken from manuscripts of the 14th, 15th, and early 16th centuries, and one series of paintings is inscribed 'work of Master Muḥammad Siyah Kalem'. Something of the style and techniques of Chinese paintings is apparent in these, and an acquaintance with Buddhist art, particularly in the depictions of grotesque demonic figures.
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.<br/><br/> The Latin botanical name means the 'sleep-bringing poppy', referring to the sedative properties of some of these opiates.