Oxalis crenata, also known as the Andean tuber crop, is a popular root vegetable in South America. It is often referred to by several other names, including New Zealand yam, oca, and ulluco. While it may not be as well-known as other root crops, it has a unique taste, texture, and nutritional value. The tubers vary in color and size, with some being orange, pink, or yellow. They are a rich source of carbohydrates, fiber, vitamin C, and minerals. Whether cooked alone or in combination with other vegetables, the many synonyms for Oxalis crenata reflect its versatility and importance in South American cuisine.