Citrus × aurantiifolia, commonly known as lime, is a small, green citrus fruit that belongs to the Rutaceae family. It is typically round and measures about 1 to 2 inches in diameter. Limes are known for their tart flavor and are often used in cooking, beverages, and as a garnish. They thrive in warm climates and are cultivated in many tropical and subtropical regions around the world. Limes are rich in vitamin C and other antioxidants, making them a healthy addition to the diet. They are often used in cocktails, such as Margaritas, and in dishes like guacamole. The fruit is also used to produce lime juice, which is a popular ingredient in various cuisines.