Direct oxalis belongs to the widespread invasive species that infest vegetable crops, orchards, sometimes found in field crops.
All parts of the plant are edible, with a pronounced sour taste, like other species of the Kislitsa genus. Leaves, flowers and fruits are used for making salads, for decorating and flavoring dishes. All parts of the plant can be chewed to quench their thirst. The leaves are used to prepare a drink that tastes like lemonade.
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