Noun
perennial Eurasian herb with reddish bell-shaped flowers and shining black berries; extensively grown in United States; roots and leaves yield atropine
poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America
Source: WordNetDeadly nightshade is the only plant I have ever been able to get to grow for me. James Nicoll
By action and reaction do we become strong or weak, according to the character of our thoughts and mental states. Fear is the deadly nightshade of the mind. Edward Walker