Water yam is a vigorous, perennial, climbing plant, producing annual stems up to 15 metres long from a very large tuberous rootstock . These stems scramble over the ground, or twine into the surrounding vegetation . The stem is quadrangular, winged, and twines right-handed. The plant is widely cultivated in tropical areas for its edible root . A very polymorphic species, originating in SE Asia and not found wild, it was dispersed by humans over the Pacific and Indian Oceans in prehistory, and is now widespread in the Region and pantropicsDioscorea alata, also known as purple yam, ube, or greater yam, among many other names, is a species of yam (a tuber). 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. It is sometimes confused with taro and the Okinawa sweet potato (Ipomoea batatas cv. Ayamurasaki), although D.
Hight : 15 m
Sunlight : Full Sun
Water : Medium
Maintenance : Medium
Family : Dioscoreaceae
Common Name : Water Yam
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