Helleborus foetidus (stinking hellebore, foetid hellebore, setterwort). Related species: H. viridis (green hellebore), H. niger (black hellebore, Christmas rose, winter rose, bear's foot), H. orientalis (Lenten rose). A member of the plant family RANUNCULACEAE. Perennial herbaceous plants with numerous tubular green flowers with purple edges. Fruit composed of many-seeded follicles; the plant has an unpleasant odour.

[affected.gif] Animals most affected
Cattle, sheep, goats, horses, dogs.

[etiology.gif] Etiology
Ingestion of fresh plant material or of contaminated green fodder.

[toxic.gif] Toxicity

The entire plant is very toxic. Drying destroys the toxic principles.

Oral doses in g of fresh plant material:
LD cattle 250 (roots)
sheep, goats  
10-12 (Helleborus niger)


[clinical.gif] Clinical features

[lesions.gif] Lesions

[treatm~1.gif] Treatment
No antidote. Symptomatic care only: