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Poisonous Plants

Caltha palustris Minimize
MARSH MARIGOLD - Caltha palustris
MARSH MARIGOLD - Caltha palustris

Caltha palustris

MARSH MARIGOLD

Images on this page contributed by: Ann F. Rhodes, PhD, Director of the Pennsylvania Flora Project

Description
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.
Toxicity
The plant is reported to be more toxic when dried.
Diagnosis
Clinical signs
Common symptoms of intoxication are mouth irritation, increased salivation, and diarrhea. Poisoning is also reported to cause agalactia and hemoglobinuria.
Treatment
Treat symptomatically to relieve the irritant effects on the gastrointestinal system.

Read more in the Poisonous Plants of Pennsylvania Publication

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