High Quality Content by WIKIPEDIA articles! Common Wood-sorrel is a plant from the genus Oxalis, common in most of Europe and parts of Asia. The binomial name is Oxalis acetosella, because of its sour taste. In much of its range it is the only member of its genus and hence simply known as "the" wood-sorrel. The plant has heart-shaped leaves, folded through the middle, that occur in groups of three atop a reddish brown stalk. It flowers for a few months during the spring, with small white flowers with pink streaks. Red or violet flowers also occur rarely.During the night or when it rains both flowers and leaves contract. Wood sorrel has been eaten by humans for millenia. In Dr. James Duke's "Handbook of Edible Weeds," he notes that the Kiowa Indian tribe chewed wood sorrel to alleviate thirst on long trips, that the Potawatomi Indians cooked it with sugar to make a dessert, the Algonquin Indians considered it an aphrodisiac, the Cherokee tribe ate wood sorrel to alleviate mouth sores and a sore throat, and the Iroquois ate wood sorrel to help with cramps, fever and nausea.

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