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plant


leaves


fruit


flowers


Japanese spindle tree

Spindle tree

Euonymus europeus

Other names

spindleberry

Description

Deciduous shrub or small tree 2-6 m high. The bark is grey and smooth. Leaves are oval leathery dark green turning yellow or red in the autumn. It has small greenish white flowers and four lobed fruit which turn from green to red in the autumn.

Similar plants

Japanese spindle trees (E. japonicus) are common in gardens. Probably poisonous.

Distribution

Found throughout NZ. An ornamental which occasionally escapes onto waste land, bush margins and plantations.

Toxin

Not certain. Contains cardiac glycosides in fruits and leaves evonoside, evogioside and evomonoside the aglycone is digitoxigenin. Also 12 alkaloids found at a concentration of 0.1% in seeds: the major one is evonine. All parts of plant toxic.

Species affected

Reported poisonings are rare. Seen in mainly in people but also animals. Reported cases include toxicity in goats and horses. Fatal poisoning’s of 2 horses which ate shoots.

Clinical signs acute

Can have a long latent period. Man - nausea, vomiting, diarrhoea, weakness, chills, coma and convulsions. Animals are said to look purged. Horses have reported to become restless and suffer paralysis of the digestive tract with consequent constipation. Their pulse also became rapid and death occurred within 4 days.

Clinical signs chronic

Post mortem signs

Inflammation of the intestine of horses.

Diagnosis

Exposure to plant and clinical signs.

Differential diagnosis

Colic, grass fever in horses. Clinical signs not well established.

Treatment

Gastric lavage and activated charcoal. Purgatives and demulcents.

Prognosis

Guarded. Can be fatal.

Prevention


References

Conner H.E. The Poisonous Plants In New Zealand. 1992. GP Publications Ltd, Wellington

Cooper M R, Johnson A W. Poisonous Plants and Fungi in Britan: Animals and Human Poisoning. Her Majesty’s Stationary Office. London. 1998

Parton K, Bruere A.N. and Chambers J.P. Veterinary Clinical Toxicology, 2nd ed. 2001. Veterinary Continuing Education Publication No. 208

4 October, 2007

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