1. It is lettuce,

called: purple leaf lettuce.

2. Lettuce, that is, leaf lettuce,

It is a mutant variety that emerged during the long-term cultivation of lettuce.

3. Just like:

The zucchini in Shunde, Guangdong is a variant of winter melon;

The gourd (hu, fourth tone) in the south, It's a variant of gourd;

Wait a minute.