the world's most widely used vegetable was the potato (Solanum tuberosum). Potatoes are a staple food in many countries and are grown and consumed globally. They are versatile, nutritious, and can be prepared in various ways, making them a popular choice for a wide range of dishes. However, it's essential to keep in mind that agricultural practices and dietary preferences may change over time, so the status of the most widely used vegetable might vary in the future.