Green onion, also known as scallion or spring onion, is a type of vegetable belonging to the Allium family. It features a long, slender green stalk and a small white bulb. Both parts are edible and are commonly used in various cuisines for their mild flavor. Green onions are often used as a garnish or ingredient in salads, soups, and stir-fries. They are rich in vitamins A, C, and K, as well as antioxidants. This versatile vegetable can be eaten raw or cooked, making it a popular choice in many dishes around the world.