What’s Your Poison? Oleander!

oleander

Did you know:

  • Nerium Oleander is a highly-toxic shrub that grows between 6-20 feet tall.
  • It is drought-tolerant and can survive in poor soil.
  • Oleander thrives naturally around dry stream beds but it is often reared in ornamental gardens because it is a showy and fragrant bush.
  • Mature stems have a gray bark, while the dark green leaves are thick and leathery.
  • The downy seeds grow in long narrow capsules.
  • Oleander flowers come in a wide variety of shades including white, purple, yellow, apricot, pink, and red.  They generally have a sweet scent.
  • All parts of the plant are toxic, even when dried out.  It should not be used for firewood or cooking.
  • The sap causes irritations of the eyes and skin.
  • Rodents and birds are not affected by the toxins but it is highly dangerous to humans.  There are, however, few reported deaths from Oleander poisoning, even when it is intentionally ingested in suicide attempts.
  • Effects of the poison last 1-3 days if treated in a hospital.
  • Ingestion of the toxin affects the stomach, heart, and central nervous system causing blurred vision, nausea, vomiting, excess salivation, pain, diarrhea, and irregular heartbeats.  The skin becomes pale and cold.  There can be drowsiness, tremors, seizures, coma, and eventual death.
  • Because Oleander was the first plant to bloom in Hiroshima after the atomic bombing of 1945, it  was adopted as the city’s official flower.

Sources:

Home Guides. “How Toxic Is Oleander To Humans?” at http://homeguides.sfgate.com/toxic-oleander-humans-82304.html

Medline Plus.  “Oleander Poisoning,” at https://www.nlm.nih.gov/medlineplus/ency/article/002884.htm

Wikipedia. “Nerium” at https://en.wikipedia.org/wiki/Nerium

 

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