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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.
Thuja plicata is a large to very large tree, ranging up to 45 to 70 metres (150 to 230 feet) tall and 2.4 to 7 m (8 to 23 ft) in trunk diameter, [5] [6] [7] larger than any other species in its genus. [8] The trunk swells at the base and has shallow roots. [5] The bark is thin, gray-brown, and fissured into vertical bands. [5]
T. plicata is an important tree to the First Nations people of the Pacific Northwest and is sometimes called "Canoe Tree" because of its use as a material for Native American canoes. [citation needed] Oil of Thuja contains the terpene thujone which has been studied for its GABA receptor antagonizing effects, with potentially lethal properties. [26]
Download as PDF; Printable version; In other projects Wikidata item; ... Arborvitae, a genus of coniferous trees or shrubs in the cypress family; Arbor Vitae, ...
Thuja: arborvitae; Thuja occidentalis: eastern arborvitae Cupressaceae (cypress family) Thuja plicata: giant arborvitae Cupressaceae (cypress family) Pinaceae: pine family; Abies: fir trees; Abies alba: European silver fir Pinaceae (pine family) Abies amabilis: Pacific silver fir Pinaceae (pine family) Abies balsamea: balsam fir Pinaceae (pine ...
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.
The depth of a vertex is the length of the path to its root (root path). The depth of a tree is the maximum depth of any vertex. Depth is commonly needed in the manipulation of the various self-balancing trees, AVL trees in particular. The root has depth zero, leaves have height zero, and a tree with only a single vertex (hence both a root and ...
Thuja koraiensis, also called Korean arborvitae, [2] is a species of Thuja, native to Korea and the extreme northeast of China (Changbaishan).Its current status is poorly known; the small population in China is protected in the Changbaishan Nature Reserve, as is the small population in Soraksan Nature Reserve in northern South Korea, but most of the species' range in North Korea is unprotected ...