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 distinct, the present species shares close genetic ties with other nightshades grown for their fruit, such as tomatoes (S. lycopersicum) and eggplants/aubergines (S. melongena). Its fruit bears a striking resemblance to those of these plants.