Lactuca
- head lettuce
Distinguished by leaves arranged in a dense rosette that develop into a compact ba...
- garden lettuce
Annual or perennial garden plant having succulent leaves used in salads; widely ...
- cos lettuce
Lettuce with long dark-green spoon-shaped leaves.
Also contains
- celtuce
Lettuce valued especially for its edible stems.
- leaf lettuce
Distinguished by leaves having curled or incised leaves forming a loose rosette that...