about  Atropine on Wikipedia  appropriate: Atropine  is a naturally occurring  tropane alkaloid  extracted from  deadly nightshade  ( Atropa belladonna ),  jimsonweed  ( Datura stramonium ),  mandrake  ( Mandragora officinarum ) and other plants of the family  Solanaceae . It is a ...  drug  with a wide variety of effects....[The name] derive[s] from  Atropos