A herb. It has a flattened tuber 4-7 cm across and 2-4 cm high. It has an irregular shape. The surface is rough or scaly. The flower appears before the leaf. The leaf is 60-80 cm tall. The leaf stalk can be 25-50 cm tall and up to 1 cm across. It has dark purple spots. The leaf blade is 30-45 cm across and divided twice into leaflets. The end leaflets are 7-12 cm long by 3-5 cm wide. The flowering stalk can be 20-45 cm tall. The spathe is 5-11 cm long and with a vase shape with a constriction. The flowers are close together along the spadix in 3 spirals. The fruit are berries with single seeds