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Toxicodendron vernix, commonly known as poison sumac, [4] or swamp-sumach, [5] is a woody shrub or small tree growing to 9 metres (30 feet) tall. [6] [7] It was previously known as Rhus vernix. This plant is also known as thunderwood, particularly where it occurs in the southern United States. All parts of the plant contain a resin called ...
Mill. [1] Toxicodendron is a genus of flowering plants in the sumac family, Anacardiaceae. It contains trees, shrubs and woody vines, including poison ivy, poison oak, and the lacquer tree. All members of the genus produce the skin-irritating oil urushiol, which can cause a severe allergic reaction.
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]
Poison oak also usually has three leaves, which resemble oak leaves, growing on a shrub. Pacific poison oak may appear vine-like. Poison sumac is typically found in wooded areas and grows as a ...
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]
Poison sumac is commonly found in bogs, pocosins and ditches in the eastern part of the state. Getty Images/iStockphoto. Poison Sumac. This tall shrub or small tree typically found in East Texas ...
Rhus michauxii is a rare species of flowering plant in the cashew family known by the common names false poison sumac [4] and Michaux's sumac. It is endemic to the southeastern United States, where it can be found in the states of Virginia, North Carolina, South Carolina and Georgia. [1] It is threatened by the loss and degradation of its ...
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. The Anacardiaceae include numerous genera, several of which are ...