There are many synonyms for the poisonous nightshade plant, a toxic member of the Solanaceae family. Commonly known as belladonna, this plant has been used medicinally for centuries but can be dangerous when consumed in high doses. Other synonyms for poisonous nightshade include devil's cherries, doodhwala, and deadly nightshade. It is important to be cautious around this plant and not confuse it with other members of the Solanaceae family, such as tomatoes and potatoes, which are safe to consume when prepared properly. Symptoms of nightshade poisoning can include dilated pupils, dry mouth, hallucinations, and even coma or death in severe cases.