![]() ![]() esculenta, largely because of its much larger tubers. esculenta were the only ones regularly cultivated and eaten, while the rest were usually considered as famine food due to their higher levels of the toxin dioscorine which requires that they be prepared correctly before consumption. It is one of various species of yams that were domesticated and cultivated independently within the Philippines for their starchy tubers, including the round yam ( Dioscorea bulbifera), ubi gadong ( Dioscorea hispida), lesser yam ( Dioscorea esculenta), Pacific yam ( Dioscorea nummularia), fiveleaf yam ( Dioscorea pentaphylla), and pencil yam ( Dioscorea transversa). ĭioscorea alata is one of the most important staple crops in Austronesian cultures. In English alone, aside from purple yam, other common names include ten-months yam, water yam, white yam, winged yam, violet yam, Guyana arrowroot, or simply yam. alata is referred to by many different names in these regions. Names īecause it has become naturalized following its origins in Asia, specifically the Philippines, through tropical South America, and the southeastern U.S., D. alata has been known to humans since ancient times. ![]() ![]() With its origins in the Asian tropics, D. alata is also grown in Okinawa, where it is known as beniimo ( 紅芋). It is sometimes confused with taro and the Okinawa sweet potato ( Ipomoea batatas cv. The tubers are usually a vivid violet- purple to bright lavender in color (hence the common name), but some range in color from cream to plain white. Dioscorea alata, also known as purple yam, ube ( / ˈ u b ɛ/, / ˈ u b eɪ/), or greater yam, among many other names, is a species of yam (a tuber). ![]()
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