Images on this page contributed by: Ann F. Rhodes, PhD, Director of the Pennsylvania Flora Project
- Perennial herbs with erect stems, simple alternate leaves, and yellow or orange flowers.
- Geographic range
- Found throughout the northeastern United States and Canada.
- Toxic principle
- Contains very small concentrations of protoanemonin, but there may be other toxins as well.
- The plant is reported to be more toxic when dried.
- Clinical signs
- Common symptoms of intoxication are mouth irritation, increased salivation, and diarrhea. Poisoning is also reported to cause agalactia and hemoglobinuria.
- Treat symptomatically to relieve the irritant effects on the gastrointestinal system.
Read more in the Poisonous Plants of Pennsylvania Publication