Napa cabbage

Chinese cabbage (Brassica rapa subspecies, see below) is a Chinese leaf vegetable commonly used in Chinese cuisine. The vegetable is related to the Western cabbage and of the same species as the common turnip. There are many variations on its name, spelling, and scientific classification.
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This oval-shaped broad-leafed head has very crisp, pale green crinkled leaves and a sweet, delicate flavor. It is used extensively in stir-fried dishes and soups, and absorbs flavors beautifully.