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July 22, 2010

5 Most Poisonous Plants

Many people do not know what the plant contains toxic and can be harmful to body. As quoted from HowStuffWorks, there are five most toxic plants known, namely is :

Oleander Nerium oleander plants or regarded as the most poisonous plants in the world. Because of all parts of plants containing toxins and composed of several types of poison. But the most dangerous poisons are oleandrin and neriine can strongly affect the heart.
However this plant is often used as decoration and comes from the Mediterranean region with a high reaching 1.8 to 5.4 meters.
If swallowed leaves that contain these toxins will cause symptoms of diarrhea, vomiting, severe abdominal pain, drowsiness, dizziness, irregular heartbeat and death. If the victim was helped before 24 hours, the opportunity for high survival. Usually patients are encouraged to throw up by pumping the stomach or eat activated charcoal to absorb poison.

Plants or water hemlock Cicuta maculata is an attractive plant with purple leaves and white striped and small fruit. This crop comes from North America to reach 1.8 meters tall and grow along the banks of rivers, swamps, lowland and wet grassland.
Toxins contained in this plant is called with an existing cicutoxin all plants and most concentrated in the roots. This toxin causes a stiff and painful cramps, nausea, vomiting, cramps and tremors (shaking) muscle. Even if the survivors, from this poison will usually suffer from amnesia.

 Rosary pea plants or seeds of Abrus precatorius are beautiful views with a mix of red and black, so it is often used for jewelry. These seeds contain the toxin abrin and will be dangerous if the seed layer is damaged or scratched. Jewelry makers therefore more susceptible to toxins than the wearer. This plant can reach 20 meters high and spread across countries, mainly tropical country and sub-tropics.
Abrin toxin is more deadly than the ricin, because less than three micrograms of abrin or not until one has enough deadly seed. Symptoms that arise are difficult breathing, fever, nausea, there is fluid in the lungs. If the seeds are ingested can cause nausea, vomiting, dehydration, kidney failure, liver and spleen. Death usually occurs within 3-5 days.

Deadly nightshade or belladonna Atropa, atropine and scopolamine toxic in stems, leaves, fruits and roots. This plant grows as high as 0.6 to 1.2 meters with dark green leaves and purple bell-shaped. The flowers will bloom in mid-summer. Only found in some areas of the world.
Existing toxin can affect the nervous system. In sufficient doses, the toxin will paralyze the nerve endings of muscles, such as blood vessels, heart and gastrointestinal muscle. Symptoms that arise are enlarged or widened pupils, more sensitive to light, blurred vision, headache, confusion and seizures. Swallow these two fruits can kill a child, if the 10-20 pieces, can kill an adult.

Castor bean plant Ricinus communis, or known by the widely cultivated for castor oil and also as an ornamental plant. In fact this plant contain a deadly poison called ricin. This plant was once commonly found in Africa, but now can be found all over the world. This plant grows well in arid regions and does not require any special treatment.
Most of the ricin concentrated in the seed layer, thus taking three seeds of this plant can kill a child. This seed poisoning symptoms are nausea, abdominal cramps, vomiting, internal bleeding, kidney failure and circulation. Besides the dust in these seeds can also cause allergic reactions such as coughing, muscle pain and difficulty breathing.

1 comment:

  1. these are magnificant looking plants. they grow wild by the train tracks