Black Bryony

Hazard Information

Route: Skin/Ingestion     Plant Part: All

Scale: Low

Vomiting, diarrhoea, burning, blistering

Contact with tube can cause swelling, redness.

Ingesting large amounts of the tuber can prove fatal.



Common Name(s)

Black bryony

Latin Name

Tamus Communis


This plant is not related to White Bryony. Dark green, heart shaped leaves greenish yellow flowers grow at the base of the leaves. Green berries develop in summer changing to black when ripe.


All parts of the plant are poisonous including the tuber and roots.


Vomiting, diarrhoea, burning of the mouth, throat and digestive system resulting in blistering. Contact with the tuber and roots can cause swelling, redness and burning. Eating large amounts of the tuber can prove fatal.

Flowering Period

Summer flowers, berries in late summer.


Common in Southern England, but less so from the Midlands northwards. Coils through trees, fences, hedges etc.