What is the world's most poisonous flower?


Quick Answer

The most poisonous plant is the oleander, or Nerium oleander, which is a beautiful flowering shrub that contains poison in every part, according to How Stuff Works. Swallowing oleander can cause intense stomach pain, vomiting, diarrhea, irregular heartbeat and death.

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What is the world's most poisonous flower?
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Full Answer

How Stuff Works explains that eating a single leaf of the oleander plant can kill a child and that even honey made by bees that have ingested oleander nectar can poison a person. The flowers on this shrub are beautiful and fragrant, growing in a variety of colors while the shrub itself can reach up to 20 feet tall and 12 feet wide, according to the National Gardening Association website.

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