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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]
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. It is found in swampy, open areas and reproduces by seeds.
Searsia parviflora, commonly known as small-flowered poison sumac, is a species of flowering plant native to the northern Indian subcontinent and Myanmar. [2] It is a much-branched shrub or small tree bearing stalked leaves with three leaflets; the end leaflet is larger than the other two. The leaflets are obovate, with rounded tips, tapering ...
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.
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 .
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: poison sumacs (including poison-ivy and poison-oak) Toxicodendron vernix: poison sumac Anacardiaceae (cashew family) Toxicodendron vernicifluum: Chinese lacquer tree Anacardiaceae (cashew family) Toxicodendron succedaneum: Japanese Hazenoki tree Anacardiaceae (cashew family) Toxicodendron striatum: manzanillo Anacardiaceae ...
Venable, N. J.; West Virginia University Extension Service (1988), Selected Trees and Shrubs of West Virginia (PDF), West Virginia University Extension Service, archived from the original (PDF) on 2012-09-12