Cauliflower's one of several vegetables in the species Brassica oleracea, in the family Brassicaceae. It's an annual plant that reproduces by seed. Typically, only the head (the white curd)'s eaten while the stalk and surrounding thick, green leaves are used in vegetable broth or discarded. Cauliflower's nutritious, and may be eaten cooked, raw or pickled. Its name's from Latin caulis (cabbage) and flower, an acknowledgment of its unusual place among a family of food plants which normally produ… (More on Cauliflower)