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Concept
Wild rice
Summary
Wild rice, also called manoomin, mnomen, Canada rice, Indian rice, or water oats, is any of four species of grasses that form the genus Zizania, and the grain that can be harvested from them. The grain was historically gathered and eaten in both North America and China, but eaten less in China, where the plant's stem is used as a vegetable.
Wild rice is not directly related to domesticated rice (Oryza sativa and Oryza glaberrima), although they are close cousins, all belonging to the tribe Oryzeae. Wild-rice grains have a chewy outer sheath with a tender inner grain that has a slightly vegetal taste.
The plants grow in shallow water in small lakes and slow-flowing streams; often, only the flowering head of wild rice rises above the water. The grain is eaten by dabbling ducks and other aquatic wildlife.
Three species of wild rice are native to North America:
Northern wild rice (Zizania palustris) is an annual plant native to the Great Lakes region of North America, the aquatic areas of the Boreal Forest regions of Northern Ontario, Alberta, Saskatchewan and Manitoba in Canada and Minnesota, Wisconsin, Michigan and Idaho in the US.
Wild rice (Z. aquatica), also an annual, grows in the Saint Lawrence River, the state of Florida, and on the Atlantic and Gulf coasts of the United States.
Texas wild rice (Z. texana) is a perennial plant found only in a small area along the San Marcos River in central Texas.
One species is native to Asia:
Manchurian wild rice (Z. latifolia; incorrect synonym: Z. caduciflora) is a perennial native to China.
Texas wild rice is in danger of extinction due to loss of suitable habitat in its limited range and to pollution. The pollen of Texas wild rice can only travel about 30 inches away from a parent plant. If pollen does not land on a receptive female flower within that distance, no seeds are produced. Manchurian wild rice has almost disappeared from the wild in its native range, but has been accidentally introduced into the wild in New Zealand and is considered an invasive species there.
Official source
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