Lettuce
Definition: Lettuce
Lettuce: Lettuce is a salad vegetable (Lactuca sativa) which comes in a variety of forms and leaf textures. The commonest are cos lettuce, cabbage lettuce, crisphead, and loose-leaved lettuces. Cabbage lettuces have roundish heads, while cos lettuces have longer leaves and are more upright. Growing different varieties of lettuce can provide farmers with a diverse and marketable crop.