What is the name of the root of lettuce?

The root of lettuce is also called lettuce root. Lettuce (Latin scientific name: lactucasatival. var. ramosahut. ramosahut. ) is a common name for leaf lettuce, also known as goose feather lettuce, mashed lettuce and lettuce, belonging to the genus Lettuce in Compositae. It is an annual or biennial herb crop with long obovate leaves and dense cabbage shape, which can be eaten raw, crisp and slightly sweet.