Tamus communis (common bryony, black-eye root). A member of the plant family DIOSCOREACEAE. Very common, wild perennial climbing plant with long, twining stems and large shiny, green heart-shaped leaves. Flowers hang in loose bunches. The fruit are red berries. The roots are large tubers

Animals most affected

[etiology.gif] Etiology
Ingestion of the berries.

[toxic.gif] Toxicity
Contains unidentified irritant agents and histamine. Only the rhizomes (tubers) and the fruit are toxic. Toxic doses not known.

[clinical.gif] Clinical features
Small doses

Large doses

[lesions.gif] Lesions
Non-specific and almost non-apparent