The Probert Encyclopaedia of Nature

TARO

Taro, also known as Tara or Kalo (Colocasia antiquorum) is a herb of the arum family, natural order Araceae, cultivated in Pacific islands and the Caribbean for its starchy, edible root and leaves (callaloo). Taro has a large tuberous rootstock from which large oval, heart-shaped leaves spring direct. The entire plant is very acrid, but the acrid taste is removed by boiling. The uncooked leaves are poisonous, but after boiling may be eaten like spinach and are known as callaloo.
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