A big green vegetable in the teahouse is called cabbage heart. The long green vegetables in the teahouse include lettuce, lettuce, leek, chrysanthemum, spinach, garlic sprout, leek, coriander, celery, shepherd's purse, water spinach and Chinese flowering cabbage, among which the Chinese flowering cabbage is the largest. Chinese flowering cabbage, also known as Chinese flowering cabbage, is one of the special vegetables in southern China. Shallow roots, short stems before bolting, green, wide oval or oval leaves, wavy leaves, green or yellow-green petioles, light green.