What is the white bit in broccoli?

The white bit in broccoli is called the floret. Broccoli is a cruciferous vegetable and is related to cabbage, cauliflower, and kale. The florets are the small, unopened flower buds of the broccoli plant. They are the most nutritious part of the broccoli and are a good source of vitamins A, C, and K, as well as fiber and antioxidants.