Lettuce (Lactuca sativa) is a temperate annual or biennial plant of the daisy family Asteraceae. ... places, including China, lettuce is typically eaten cooked ...
lettuce n. Any of various plants of the genus Lactuca, especially L. sativa, cultivated for their edible leaves ... Lettuce is grown for its succulent leaves, ...
Lettuce ... Lettuce is a fairly hardy, cool-weather vegetable that thrives when the average ... Some types and varieties of lettuce withstand heat better than others. ...