The dried vegetable is winter rapeseed.

Dried evergreen vegetables is a famous dish in Ningbo area. Named for its emerald green color, which is similar to the ornamental plant Dieffenbachia. Dried Dieffenbachia is a dried vegetable made from the stems of winter rapeseed. It is made by boiling, soaking, drying and other processing techniques. Dried evergreens can be used in various cooking methods such as cold dressing, stir-frying, and soup making. They have a fragrant, crisp and tender texture. In summer and autumn, dried evergreens can be used as a good soup base.