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The differences in toxicity in poison ivy, poison oak, and poison sumac are due to differences in the side chains of the chemicals in these plants. In general, poison ivy has a C 15 side chain, poison oak has a C 17 side chain and poison sumac has a C 13 side chain. The dermatitis shows itself in painful and long continued swellings and ...
The plants grow as creeping vines, climbing vines, shrubs, or, in the case of lacquer tree (T. vernicifluum) and poison sumac , as trees. While leaves of poison ivy and poison oaks usually have three leaflets, sometimes there are five or, occasionally, even seven leaflets.
Poison sumac may be identified by its white drupes, which are quite different from the red drupes of true Rhus species. [37] Mowing of sumac is not a good control measure, since the wood is springy, resulting in jagged, sharp-pointed stumps when mown. The plant will quickly recover with new growth after mowing. [38]
An expert from Franklin County's Keystone Health shares information about poison ivy, oak and sumac, and the effects of the poisonous plants.
Poison Sumac. This tall shrub or ... If you or a loved one is experiencing an allergic reaction after coming into contact with a poisonous plant, you can call Texas Poison Control at (800) 222 ...
Mango leaves, stems, peels, and sap contain urushiol, an allergen also present in poison ivy, poison oak, and poison sumac that can cause urushiol-induced contact dermatitis in susceptible people. [ citation needed ] Cross-reactions between mango contact allergens and urushiol have been observed.
The Anacardiaceae, commonly known as the cashew family [1] or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. [2] Members of the Anacardiaceae bear fruits that are drupes and in some cases produce urushiol , an irritant .
Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis or Rhus dermatitis) is a type of allergic contact dermatitis caused by the oil urushiol found in various plants, most notably sumac family species of the genus Toxicodendron: poison ivy, poison oak, poison sumac, and the Chinese lacquer tree. [1]