Bryonia dioica (white bryony, English mandrake, wild vine, wild hops, tamus, ladies' seal). A genus of the plant family CUCURBITACEAE. Perennial herbaceous plant, climbing by tendrils, leaves five-lobed, flowers greenish-white with male and female forms. Fruit is a juicy red berry, the size of a pea, containing three to six large, unpalatable seeds.


[affected.gif] Animals most affected
Pigs, poultry, (cattle, horses, dogs).


[etiology.gif] Etiology
Poisoning is rare. Ingestion of the red berries (pigs, poultry), of the plant itself or of fodder which is highly contaminated with the plant.


[toxic.gif] Toxicity
Contains irritant substances (including the glycosides bryonin, bryonicine, bryonidin). The whole plant is toxic, especially the fruit and the roots. Toxicity or potency is not reduced by drying. Toxic doses not known.


[clinical.gif] Clinical features
Following Ingestion of a moderate amount

Following ingestion of a large amount

In the dog

[lesions.gif] Lesions


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