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Poison Ivy

Updated on April 22, 2015

Poison Ivy - Just The Facts

Poison ivy has been the bane of outdoors activities since the beginning of.....well, outdoors activities. The earliest written recordings were by Captain John Smith in the early 1600s. Stumbling across this plant while exploring north america he noted that it looked like english ivy and gave it it's current name. Through history it's been used and avoided in different ways.

The Science of Poison Ivy

Scientific Name - Climbing Poison Ivy ~ (Toxicodendron radicans)

Non-Climbing Poison Ivy ~ (Toxicodendron rydbergii)

The Toxicodendron genus includes poison sumacs and poison oak.

Location - Samples have been found all over the world of sumac like plants that cause skin allergies. In North America the eastern coast from Newfoundland to Florida have poison ivy and the western coast have poison oak.

Have you ever had a reaction to poison ivy?

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Poison ivy leaves are often lobed shaped like these
Poison ivy leaves are often lobed shaped like these

Poison Ivy Facts

  • Around 500 people could get a rash from the amount of urushiol oil on a pin head.
  • Urushiol oil remains potent for one to five years.
  • If you work outdoors and are exposed to poison ivy, check with your workers compensation board. You might be covered.
  • The most common allergy in the world is caused by Urushiol
  • Century old samples of poison ivy have caused skin reactions in people.

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