Spring onion, also known as green onion or scallion, is a type of vegetable that belongs to the Allium family, which also includes garlic and onions. It features a long, slender green stalk and a small white bulb at the base. Both parts are edible and are often used in cooking for their mild flavor. Spring onions are commonly used in salads, soups, and various dishes to add a fresh taste. They can be eaten raw or cooked and are a popular ingredient in many cuisines around the world, including Asian and Mediterranean dishes.