Cyrtosperma merkusii (Pulaka)
Botanical name: Cyrtosperma merkusii
Common names: Pulaka, Swamp Taro, Giant Swamp Taro
Family: Araceae
Origin: Southeast Asia
Robust to gigantic herb, up to 4 m tall, growing solitarily or in clumps. Rhizome short and slender to tuberous and very large, cylindrical, up to 2 m long and 0.6 m in diameter, sometimes globose, weighing up to 70 kg or even more, producing few to many suckers. Cyrtosperma merkusii used to be cultivated as a food crop in a manner similar to Taro (Colocasia). Since the unprocessed corms are toxic, they must always be cooked, usually in an earth oven.
Similar plants: Cyrtosperma merkusii (Pulaka)
Link to this plant:
https://toptropicals.com/catalog/uid/cyrtosperma_merkusii.htm