Amorphophallus titanum (from Ancient Greek amorphos, "without form, misshapen" + phallos, "phallus", andtitan, "giant" ), known as the titan arum, is a flowering plant with the largestunbranched inflorescence in the world.The titan arum grows in the wild only in the equatorial rainforests of Sumatra, Indonesia.Due to its odor, which is reminiscent of the smell of a decomposing mammal, the titan arum is characterized as a carrion flower.
The titan arums inflorescence can reach over 3 metres(10 ft) in height. Both male and female flowers grow in thesame inflorescence. The female flowers open first, then a day or two following, the male flowers open. This usually prevents the flower from self-pollinating. The corm is the largest known, weighing around 50 kilograms (110 lb).After the flower dies back, a single leaf, which reaches thesize of a small tree, grows from the underground corm. The leaf grows on a somewhat green stalk that branches into three sections at the top, each containing many leaflets. The leaf structure can reach up to 6 metres (20 ft) tall and 5 metres (16 ft) across. Each year, the old leaf dies and a new one grows in its place. When the corm has storedenough energy, it becomes dormant for about four months. Then, the process repeats.
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