Polygonum convolvulus
black bindweed
Climbing annual herb up to 1 m. The leaves are ovate. Flowers are greenish white, in spike like inflorescences. Fruit is a dull black, finely granular nut.
Bindweed (Calystegia sepium) looks similar but the flowers are distinctive.
Common in cultivated land and waste places.
Unknown
Rabbits have been poisoned experimentally but no other reported poisonings. Animals are unlikely to eat it under normal conditions.
Gastroenteritis
Symptomatic, including decontamination.
Connor, HE, The Poisonous plants in New Zealand, 2nd ed.,1977, Government Publications Ltd., Wellington
