Which parts are called broccoli?

Broccoli florets are the immature flower heads of the broccoli plant. They are typically green in color, but can also be purple or white. The florets are arranged in a cluster at the top of the stem. The stem of the broccoli plant is also edible and can be cooked in a variety of ways. The leaves of the broccoli plant are not typically eaten, but can be used to make pesto or other sauces.