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see also : Oca

Ullucus tuberosus

Ulluco (Ullucus tuberosus) is a plant grown primarily as a root vegetable, secondarily as a leaf vegetable.

The ulluco is one of the most widely grown and economically important root crops in the Andean region of South America, second only to the potato. It is known there with the common name of papa lisa, but also by the regional names melloco (Ecuador), olluco (Peru), chugua (Colombia) or ruba (Venezuela), among others. The leaf and the tuber are edible, similar to spinach and the potato, respectively. They are known to contain high levels of protein, calcium, and carotene. Papalisa were used by the Incas prior to arrival of Europeans in South America.

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