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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.
Toxicodendron vernix (L.) Kuntze (synonym Rhus vernix) – Poison sumac is a tall shrub or a small tree, from 2–7 m tall. It is found in swampy, open areas and reproduces by seeds. The leaves have between 7–13 untoothed leaflets, in a feather-compound arrangement. [12]
Sumac or sumach [a] (/ ˈ s uː m æ k, ˈ ʃ uː-/ S(H)OO-mak, UK also / ˈ sj uː-/)—not to be confused with poison sumac—is any of the roughly 35 species of flowering plants in the genus Rhus (and related genera) of the cashew and mango tree family, Anacardiaceae. However, it is Rhus coriaria that is most commonly used for culinary purposes.
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]
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 .
Several species, including Toxicodendron radicans (commonly known as poison ivy), Toxicodendron diversilobum (commonly known as poison-oak), and Toxicodendron vernix (commonly known as poison sumac) Anacardiaceae: All parts of these plants contain a highly irritating oil with urushiol. Skin reactions can include blisters and rashes.
Urushiol / ʊ ˈ r uː ʃ i. ɒ l / is an oily mixture of organic compounds with allergenic properties found in plants of the family Anacardiaceae, especially Toxicodendron spp. (e.g., poison oak, Chinese lacquer tree, poison ivy, poison sumac), Comocladia spp. (maidenplums), Metopium spp.
Other common names include Japanese lacquer tree, [5] Japanese sumac, [4] and varnish tree. [5] The trees are cultivated and tapped for their toxic sap, which is used as a highly durable lacquer to make Chinese, Japanese, and Korean lacquerware.