Leafy vegetables are a type of vegetable that have leaves as their edible part. Kales, greens, and taros are all examples of leafy vegetables. Kales are a type of cabbage with dark green leaves and a slightly bitter taste. Greens are a broad term for any type of edible green plant, such as spinach, lettuce, and kale. Taros are a root vegetable with a sweet flavor, similar to potatoes. All three of these leafy vegetables are popular in many cuisines around the world.