A herb. It has round flattened tubers. They are 6-15 cm across and 3-8 cm high. They are red brown. The flower appears before the leaf. The leaf is 1 m tall. The leaf stalk is 30-50 cm long and red-green with mottles. The leaf blade is 1 m across and divided into leaflets. These are 3-12 cm long by 1-3 cm wide. They have a long tip. The flowering stalk is smooth and 20-45 cm long. It is pale green with white and black markings. The spathe is 16-40 cm long. It has a slight constriction and then is open. The spadix is 30-70 cm long and at an angle. The flower has an unpleasant smell.
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