Botany Question:

stem tuber of solanum tuberosum (potato),fruit of lycopersicon esculentum(tometo),fruit of s.melongena(brinjal),fruit of
capsicum (chilli) etc use as vegetable.
withania somnifera use as medicine.
pteunia use as ornamental plant.
diff sp of datura use as medicine.
fruit of physalis minima used as vegetable.
leaf of nicotiana use as drug.