Kalecaine originated in southern China and was developed from cabbage through long-term selection and cultivation.It is mainly distributed in Guangdong, Guangxi, Taiwan, Hong Kong, and Macau.In the late 20th century, Japan successfully introduced it.Kalecaine is a specialty vegetable of Guangdong Province, China, known for its tender quality and appealing taste, allowing year-round cultivation, making it a major local vegetable in Guangdong and Guangxi, frequently marketed to Hong Kong and Macau, serving as an export mainstay.A small amount is also exported to Europe and America, considered a gourmet vegetable.
