Chelidonium majus (celandine poppy). A member of the plant family PAPAVERACEAE. A perennial herb with a brittle stem and pinnate toothed leaves. Bright yellow flowers develop into bivalved capsular fruit containing black seeds with white appendages. If the stem is broken an orange sap is released which turns brown on contact with air.

Animals most affected
Cattle, (sheep, goats, horses, dogs)

Ingestion of the plant (very uncommon due to its foetid, unpleasant odour).

Contains about 20 alkaloids including chelidonine, alpha-homochelidonnine, oxychelidonine, sanguinarine, berberine, stylopine, coptisine and protopine
The entire plant is toxic (especially the roots). Toxicity is not altered or reduced by drying.
Toxic doses are not well known.
LD dogs 60 90 g plant sap


Clinical features
Irritant sugary sap (affecting the skin and mucosae) with a potent purgative effect when ingested, causing:


No antidote. Symptomatic care: