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Thuja occidentalis, also known as northern white-cedar, [1] eastern white-cedar, [2] or arborvitae, [2] [3] is an evergreen coniferous tree, in the cypress family Cupressaceae, which is native to eastern Canada and much of the north-central and northeastern United States. [3] [4] It is widely cultivated as an ornamental plant.
The natives of Canada used the scaled leaves of Thuja occidentalis to make a tea that has been shown to contain 50 mg of vitamin C per 100 grams; this helped prevent and treat scurvy. [ 28 ] In the 19th century, Thuja was commonly used as an externally applied tincture or ointment for the treatment of warts , ringworm and thrush , [ 29 ] and a ...
Platycladus is a monotypic genus of evergreen coniferous trees in the cypress family Cupressaceae, containing only one species, Platycladus orientalis, also known as Chinese thuja, [5] Oriental arborvitae, [6] Chinese arborvitae, biota or Oriental thuja.
Thuja occidentalis – Eastern arborvitae; Meliaceae: Melia azedarach – Chinaberry, commonly referred to as white cedar in Australia This page was last edited ...
The Witch Tree as it is commonly known, also called Manidoo-giizhikens, or Little Cedar Spirit Tree by the Ojibwe First Nation tribe is an ancient Thuja occidentalis (Eastern White Cedar) growing on the shore of Lake Superior in Cook County, Minnesota.
Thuja plicata is a large evergreen coniferous tree in the family Cupressaceae, native to the Pacific Northwest of North America. Its common name is western redcedar in the U.S. [2] or western red cedar in the UK, [3] and it is also called pacific red cedar, giant arborvitae, western arborvitae, just cedar, giant cedar, or shinglewood. [4]
Didymascella thujina occurs on western red cedar (T. plicata) and T. plicata var. atrovirens on the west coast of North America, where it is a significant leaf blight. It also occurs in eastern white cedar (T. occidentalis) in eastern North America, although its effect is insignificant. [7]
Thuja plicata Donn ex D. Don (Western red cedar) – a tree belonging to the Cupressaceae family from which thujaplicins were first purified. Thujaplicins were discovered in the mid-1930s and purified from the heartwood of Thuja plicata Donn ex D. Don, commonly called as Western red cedar tree. [5]