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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.
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 leaves may have smooth, toothed, or lobed edges, and all three types of leaf edges may be present in a single plant. 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 ...
Toxicodendron diversilobum is extremely variable in growth habit and leaf appearance. It grows as a dense 0.5–4 metres (1 + 1 ⁄ 2 –13 feet) tall shrub in open sunlight, a treelike vine 3–9 m (10–30 ft) and may be more than 30 m (100 ft) long with an 8–20 centimetres (3 + 1 ⁄ 4 – 7 + 3 ⁄ 4 inches) trunk, as dense thickets in shaded areas, or any form in between.
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 .
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 ...
Toxicodendron radicans images at bioimages. vanderbilt.edu; Poison Ivy, Ontario Ministry of Agriculture, Food and Rural Affairs; Common weeds of the northern United States and Canada: Western poison oak, poison ivy and poison sumac. (Anacardiaceae-family) Large site with many photos, facts, products, rash images, and a quiz about poison ivy.
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 ...