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Poison Sumac

Poison Sumac (Toxicodendron vernix or Rhus vernix) is a woody shrub growing to 3 m tall.

All parts of the plant contain a toxic resin called urushiol that causes skin and mucous membrane irritation to humans.

Note:   The above text is excerpted from the Wikipedia article "Poison Sumac", which has been released under the GNU Free Documentation License.
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July 8, 2015

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