There is no difference between the two.

Round lettuce is also known as ball lettuce and western lettuce. Western lettuce was introduced from the West, so the name Western lettuce. Western lettuce is a taproot system, shallow distribution, weak ability to absorb water and fertilizer, ball lettuce has a round, oblate, conical, cylindrical, tender texture, as the main edible part.

Round lettuce texture is crisp and tender, taste fresh and fragrant. In the modern world, where meat consumption has increased significantly, round lettuce is quite popular as it brings a wonderful feeling of freshness and sharpness to the palate. Round leaf lettuce leaves are rolled into a ball shape, and are divided into green leaf, white leaf, purple leaf and red leaf lettuce according to their colors. Green leaf lettuce fiber, white leaf lettuce leaves thin, fine quality, purple leaf, red leaf lettuce colorful, tender texture.

There is a difference between round lettuce and lettuce.

Lettuce is the common name for leaf lettuce, belonging to the lettuce genus Asteraceae. For annual or biennial herbaceous crops, it is a very common edible vegetables. It is a very common edible vegetable. It is also a popular vegetable in Europe and the United States, and is well loved by people. Lettuce is native to the Mediterranean coast of Europe, domesticated from wild species. Ancient Greeks and Romans were the first to eat. Lettuce imported into our country has a long history, the southeastern coast, especially in the suburbs of large cities, the two regions cultivated more, especially in Taiwan planting is particularly common. In recent years, the cultivation area is rapidly expanding, lettuce from hotels, restaurants into the ordinary people's tables. People in China and Japan tend to cook it and eat it, and in Western culture people tend to put it in salads, hamburgers and other foods to eat it raw.

References:Round lettuce