Lettuce (Lactuca sativa) is a temperate annual or biennial plant of the daisy family Asteraceae. It is most often grown
as a leaf vegetable. It is eaten either raw, notably in salads, sandwiches, hamburgers, tacos, and many other dishes,
or cooked, as in Chinese cuisine in which the stem becomes just as important as the leaf. Both the English name and
the Latin name of the genus are ultimately derived from lac, the Latin word for “milk”, referring to the plant’s milky
Mild in flavour, it has been described over the centuries as a cooling counterbalance to other ingredients in a salad.