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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.
Websites• http://www.tararuavets.co.nz/ServicesResources/PoisonousPlantsToxicCo
mpounds/tabid/25959/Default.aspx
• http://www.google.co.nz/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=1&ved=0CBsQFjAA&url=http%3A%2F%2Fwww.sciquest.org.nz%2Felibrary%2Fdownload%2F46895%2FPlant_poisoning_in_New_Zealand.pdf&ei=eWeWU-zUJ4OfkwWW8YGoAg&usg=AFQjCNE5BXX8HFJywbHwzJu28NyHEwV5HA
• http://www.cal-ipc.org/ip/management/ipcw/pages/detailreport.cfm@usernumber=63&surveynumber=182.php