Asparagaceae is a family of flowering plants, placed in the order of Asparagales of the monocots. This popular vegetable comes in a variety of colors, including green, white and purple. It’s used in dishes around the world, including frittatas, pasta, and stir-fries. NUTRIENT CONTENT : Asparagus is a low-calorie vegetable that is an excellent source of essential vitamins and minerals, especially folate and vitamins A, C, and K.