一、基本概念叶类蔬菜,又称叶用蔬菜,是所有以叶为主要食用部位的蔬菜。叶类蔬菜主要分为四大类:1.普通类叶菜:如芹菜、小白菜、菠菜、生菜、油麦菜、苋菜等。2.结球类叶莱:如大白菜、结球甘蓝、结球莴苣、包心芥菜等。3.辛香类叶菜:如小(香)葱、韭菜、茼蒿、芫荽、小茴香等。4.特菜类叶菜:红薯叶、莴笋叶;该类蔬菜多为非主流,应该属于兼用型叶菜类。 First, the basic concept Leafy vegetables, also known as leaves with vegetables, is all the leaves as the main edible parts of vegetables. Leafy vegetables are mainly divided into four categories: 1. Common leafy vegetables: such as celery, cabbage, spinach, lettuce, lettuce, amaranth and so on. 2. Knot ball class Yela: Such as cabbage, cabbage, lettuce ball, heart mustard and other packages. 3. Spicy leafy vegetables: such as small (fragrant) onions, leeks, chives, coriander, cumin and so on. 4. Special vegetables leafy vegetables: sweet potato leaves, lettuce leaves; mostly non-mainstream vegetables, should be part of both leafy vegetables.