Bok choy

Quick answer：

Bok choy, also known as Pak choi or Chinese cabbage, is a leafy green vegetable that belongs to the Brassica rapa species. It is characterized by its white stem and dark green leaves. Bok choy is commonly used in Asian cuisine, particularly in Chinese, Japanese, and Korean dishes. It can be stir-fried, steamed, or used in soups and salads.