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Poison Sumac - Toxicodendron vernix
Sorry for the poor documentation, but it was growing in a bog and I didn't want to get any closer.
Poison sumac contains a resin called urushiol, which causes skin and mucous membrane irritation to humans. It's more toxic than its poison ivy and poison oak. Contact with the plant causes painful dermatitis and blistering, while inhaling the smoke caused by burning poison sumac can actually be fatal.
Habitat: Bog
''Toxicodendron vernix'', commonly known as poison sumac, is a woody shrub or small tree growing to 9 m tall. All parts of the plant contain a resin called urushiol that causes skin and mucous membrane irritation to humans. When the plant is burned, inhalation of the smoke may cause the rash to appear on the lining of the lungs, causing extreme pain and possibly fatal respiratory difficulty.
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