Lettuce leaves with lettuce is commonly known, also known as gooseberry, marker, lettuce, lettuce, belonging to the daisy family lettuce. For annual or biennial herbaceous crops, leaf long obovate, dense into a kale-like leaf ball, can be eaten raw, crisp and refreshing, slightly sweet.
Lettuce annual or biennial herb, 25-100 cm high. Roots are vertically straight.
Stem erect, solitary, upper panicle branched, all stem branches white. Basal and lower stem leaves large, undivided, oblanceolate, elliptic or elliptic-oblanceolate, 6-15 cm long, 1.5-6.5 cm wide, apically acute, shortly acuminate or rounded, sessile, base cordate or sagittate-semi-amplexicaul, margin undulate or serrulate, tapering upward, homomorphic or lanceolate with basal and lower stem leaves, leaves on lower panicle branches and upper panicle branches Very small, ovate-cordate, sessile, base cordate or sagittate-amplexicaul, margin entire, all leaves glabrous on both surfaces .
Lettuce is a variety of lettuce in the genus Lettuce* of the family Asteraceae that forms fleshy, tender stems, and is an herbaceous plant of the family Asteraceae. Alias stem lettuce sentence, lettuce sentence shoots, green shoots, lettuce. Production period: January-April. Aboveground stems are edible, stem skin white-green, stem fleshy and tender, young stems bright green, after maturity to white-green. Mainly eat fleshy tender stems, can be eaten raw, cold, fried, dried or pickled, young leaves can also be eaten. The stems and leaves contain lettucin, which has a bitter flavor and an analgesic effect.