Ngaio plant Presented and done by Ellen,Kasia,Mickey,Emma, Erin,Chelsea
Description This plant can grow up to 10 meters tall, The bark is dark brown and the leaves are 4 to 10 cm long They are pointed with small serrations above the middle half of the leaf they have distinctive glands they can be seen as clear vacuoles The flowers are white with purple dots and are found in bunches of 2 to 6 The fruit is reddish purple with an oblong kernel.
Cause Sporadic cases of poisoning occur usually after severe storms where trees or branches are blown down, or after heavy snow falls where branches are broken off and eaten by stock.
Effect All parts of the plant are poisonous Cattle, sheep, pigs, and horses are effected by this plant. Sub lethal doses cause sensitivity to sunlight (photosensitivity) Lethal cases will display severe constipation abdominal pain Small quantities of dry blood faeces, lethargy anorexia and possibly jaundice.
Prevention Monitoring seeding of the plant yearly to prevent spreading. Seedlings can be pulled out when the soil is moist and the plant is young Any root or stump must be removed or the plant will resprout. Regular pruning all year round Where possible fence off stock
Treatment To treat photosensitivity keep in a dark sheltered area Give an enema of raw linseed oil, and soap and water for constipation that the ngaio poison causes.
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