Colocasia and Alocasia speciesDescription: All plants in these groups have large leaves, sometimes up to 1.8 meters tall, that grow from a very short stem. The rootstock is thick and fleshy and filled with starch.Habitat and Distribution: These plants grow in the humid tropics. Look for them in fields and near homesites and villages.Edible Parts: All parts of the plant are edible when boiled or roasted. When boiling, change the water once to get rid of any poison.CAUTIONIf eaten raw, these plants will cause a serious inflammation of the mouth and throat.