Sweet potatoes are root vegetables that are an excellent
source of vitamins, minerals and plant compounds, including
beta-carotenes. They are good value for money, count as one of your 5 a
day and make an easy, nutritious swap for other carb-rich staples. The
sweet potato is a dicotyledonous plant from the Convolvulaceae (morning
glory) family. Unlike white potatoes, which belong to the nightshade
family (Solanaceae), sweet potatoes are not true potatoes in a botanical
sense. The edible part is a storage root, not a stem tuber
