The present species is, however, a close relative of other nightshades cultivated for their fruit, including the tomato (S. lycopersicum) and the eggplant/aubergine (S. melongena), which its own fruit closely resembles.
Despite being a separate species, the present one shares close genetic ties with other nightshades grown for their fruit, such as tomatoes (S. lycopersicum) and eggplants/aubergines (S. melongena). Its fruit closely resembles those of these plants.