Lettuce (Lactuca sativa) is a plant from Asteraceae family, cultivated worldwide and consumed for its taste and content rich in vitamine A and folic acid. Because of mild opiate properties, Romans and Egyptians used it at the end of dinner to induce sleep.
The picture was captured with a Nikon D40X camera and Nikkor 18-55mm f/3.5-5.6G ED AF-S DX lens, using these settings: focal length – 40 mm, exposure time – 1/125 sec, ISO 100, lens aperture – 5,6.