Peruvian oca: Peruvian oca is a plant of the Oxalidaceae family, native to the Andean plateaus where it is grown for its edible tuber.
Scientific name: Oxalis tuberosa Molina (synonym: Oxalis crenata Jacq.).
Vernacular names: Peruvian oca, American oca, tuberous urelle, sour truffle.
This plant was introduced in Great Britain around 1829. It almost replaced the potato during the Great Famine in Ireland, between 1845 and 1849. We destroyed...
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