Scientific name: Lactuca sativa L. var. capitata.
Belong to chrysanthemum: Asteraceae
Leaves arranged in a rosette base, forming dense spherical buds, stems and leaves in a staggered, leaves are bright green, nearly round or oblong, oval shape back, wavy, 6-20cm long, 3-7cm wide, irregularly toothed edges. Inflorescence panicle asleep at the tops of many flowers, each flower head 20, the yellow lips
Eaten raw with tomato soup, water, some coffee, or used in salads, mix oil and vinegar.
Bitter sweetness, the cool, cooling effect, dialysis, appetizers (at the beginning of the meal, it stimulates the digestive gland), which provides minerals, analgesics, narcotic, antitussive, anti-diabetic ...