Oxalis stricta, Common Yellow Wood Sorrel

Oxalis stricta, Common Yellow Wood Sorrel with sour, acidic leaves chewed to treat nausea, mouth sores, sore throats. Fresh leaves were poulticed on cancers, old sores, ulcers. Leaf tea used for fevers, urinary infections, and scurvy. Contains potentially toxic oxalic acid. Leaves and fresh flowers enjoyed in small amounts for their tangy sour flavor, with the caveat that oxalic acid can inhibit calcium absorption. The leaves can also be used to make a pleasant, cooling, lemonade-like beverage.

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