Probably native to the wetlands of Malaysia, taro was carried throughout the Pacific as far as Hawaii by seagoing canoe, and by traders as far as ancient Egypt and Rome. In more modern times it has been carried to all tropical and near tropical regions, including Africa and Central America. Cold tolerant varieties are grown in China, Korea and Japan.
Taro Corms (called taro root) are short underground stems rich in starch. Unlike most starchy vegetables they are high in amylose, a starch soluble in hot water, and contain 3% sugar, which makes them somewhat sweet. Taro is indigestible raw and can cause severe gastrointestinal distress if not properly prepared and cooked. The photo specimens run up to about 5 inches long, 2-1/2 inches diameter and about 5 ounces
More on Arums.
See also Taro Leaves & Stems
A well known use of taro in the U.S. is for making the Hawaiian staple
"poi". Taro corms are peeled, boiled, then mashed on a board with special
masher tools, usually of stone, and usually by the men. The mash is then
adjusted with water to make the desired thickness, "one finger",
"two finger" and "three finger" (the thinnest). It may be eaten fresh or
fermented for a few days when it will be a little sour and smell similar
to yogurt. "Table Taro" is Taro steamed and served whole or as chunks like
Potato, and Taro Chips are also made. Hawaii grows both wetland and
dryland varieties of Taro.
Painting "A Kamaaina" (1901), by Grace Hudson, copyright
expired.
All across Oceania (the remote Pacific Islands) taro is used similarly to how it is used in Hawaii, boiled, baked, and roasted. This is part of Polynesian and Micronesian culture. Earliest evidence of use is from the Solomon Islands, predating 20,000 BP (Before Present).
In India, recipes call for taro corms as "colocasia root". They are used as chunks in Curries and Sambars in South India. Colocasia stems are also used, and in some areas the leaves also, but rarely the flowers. We cover leaves and stems on a separate Taro Leaves & Stems page.
In ancient Rome, colocasia root was boiled and served with sauces or
boiled along with meats, much as potatoes are today. Because it was
imported from Egypt, colocasia disappeared from Europe upon the fall of
the Roman Empire, except for Cyprus where it is still grown and cooked
as kolokassi.
Taro leaves, stems and corm skins all contain both soluble oxalic acid and sharp crystals of calcium oxalate, both types being serious health problems if not used with discretion.
Peeling and cooking the Taro corms removes the Oxalic Acid and Calcium Oxalate. This makes the corms harmless in even large quantities, demonstrated by the prevalence of Taro in the cuisines of Southeast Asia, and in particular the Pacific Island regions, including Hawaii.
Taro Leaves and Stems are another matter entirely, but on this site they are covered on our Taro Leaves & Stems page.
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