Answer:
cabbage
Explanation:
List of Nightshade Vegetables
Tomato
Tomatillo
Naranjilla
Eggplant
Potato (excluding sweet potato)
Pepper (includes hot and sweet varieties as well as spices like paprika, chili powder, cayenne, and Tabasco)
Pimento
Goji berry (wolfberry)
Tamarillo
Cape gooseberry/ground cherry