Oxalis tuberosa, commonly known as oca, is a tuberous root vegetable native to the Andes region of South America. It is cultivated for its edible tubers, which come in various colors, including yellow, orange, and red. The plant thrives in cool climates and is often grown in gardens for both culinary and ornamental purposes. The tubers of oca have a tangy flavor and can be eaten raw or cooked. They are rich in carbohydrates and provide essential nutrients, making them a valuable food source. Oxalis tuberosa is also known for its attractive foliage and flowers, adding beauty to any garden setting.