Caltha palustris (kingcup, leopard's
foot, meadow routs, verrucaria, solsequia). A member of the plant family RANUNCULACEAE.
Perennial herb with a stout creeping
rhizome and prostrate to erect aerial stems. Shiny-toothed, kidney-shaped leaves
and bright golden yellow flowers. Favours wet or damp areas.
Animals most affected
Cattle, (sheep, horses).
Ingestion of the fresh plant (especially
in periods of food shortage). Possibility of contamination of silage. Poisoning relatively
Contains protoanemonine, a strong irritant.
Seeds appear to be non-toxic. Toxicity peaks when the plant is in full flower. Toxic
doses not known.
If a small amount has been ingested
If a large quantity has been ingested
salivation, foetid black diarrhoea;
acute rectal spasms, colic;
generally good prognosis in 24-48 hours.
similar gastric effects as above, but more pronounced;
ataxia, convulsions, mydriasis, blindness;
death possible 6-12 hours after the onset of convulsions.
No antidote. Symptomatic care only:
adsorbents, gastric demulcents;