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Colocasia esculenta Taro   Araceae

Colocasia esculenta, taro

Colocasia esculenta, taroThe long leaf-stalks supporting heart-shaped, mid- to dark green leaves up to 24 in (60 cm) long; the plants can spread by slender runners. Colocasia esculenta var. antiquorum (eddoe) has smaller but more numerous tubers. The ornamental cultivar Fontanesii has dark purple stalks and bronze-tinted leaves. There are innumerable edible cultivars of taro and one feature in which they vary is the presence and amount of irritant crystals in the tubers, which may need to be removed by repeated boiling.