魔芋 yields a tuber processed into the gelatinous food known in Japanese as konnyaku (蒟蒻). Popular in Sichuan cuisine and as a low-calorie noodle (魔芋丝, móyùsī) in modern dieting.
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Literally 'demon taro' — 魔 (mó, demon) + 芋 (yù, taro). The plant's giant flower has a strong odor, and the rubbery texture of the food really does feel a bit otherworldly.