The leaves of peace lilies are poisonous. Symptoms of exposure include a burning sensation on the lips, tongue or throat. Eating small quantities causes severe pain. Large amounts are highly toxic. Peace lilies grow naturally in tropical parts of the United States.
About this Author
Diane Watkins has been writing since 1984, with experience in newspaper, newsletter and web content. She writes two electronic newsletters and content around the web. Watkins has a Bachelor of Science degree in chemistry from Clemson University. She has taken graduate courses in biochemistry and education.