DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY
Thorn apple seed pod. The thorn apple (Datura stramonium) is a poisonous plant of the nightshade family. It has been used in herbal medicine as a painkiller and to treat asthma, but it can be fatal if the dose is misjudged.
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