Elephant ear (Colocasia esculenta) cultivated for millennia. Root pounded into poi; leaves wrap steamed foods. Sap contains calcium oxalate crystals causing sting/rash—cooking reduces irritation. Green-leaf form grown in South for centuries. Dig roots in October, store frost-free.
How to Make Patra Snacks (broken link)
Colocasia
Fungus on Elephant Ear (Alocasia/Caladium): Lysol Treatment
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