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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.
Height and diameter of the tree increase steadily until the tree is 50 years old, at which point height growth slows. Both height and diameter no longer increase once the tree is 100 years old. Stands are generally all younger than 200 years, though some trees as old as 1000 years have been reported.
Melia azedarach, commonly known as the chinaberry tree, [3] pride of India, [4] bead-tree, Cape lilac, [3] syringa berrytree, [3] Persian lilac, [3] Indian lilac, or white cedar, [5] is a species of deciduous tree in the mahogany family, Meliaceae, that is native to Indomalaya and Australasia.
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]
Dysoxylum malabaricum, or white cedar, is a tree species endemic to the Western Ghats, India. [2] The species is considered Endangered under the IUCN Red List of Threatened Species . [ 3 ]
BC government has vowed to protect old-growth forests, but logging is on the rise Rare tree hunter in Canada finds ‘freak of nature’ 1,000-year-old cedar Skip to main content
White cedar may refer to several different trees: Bignoniaceae. Tabebuia heterophylla - native to Caribbean islands and also cultivated as an ornamental tree; Cupressaceae: Chamaecyparis thyoides – Atlantic white cypress; Cupressus lusitanica – Mexican white cedar; Thuja occidentalis – Eastern arborvitae; Meliaceae:
For some of these species, age estimates have been made on the basis of extrapolating current growth rates, but the results are usually largely speculation. White (1998) [92] proposes a method of estimating the age of large and veteran trees in the United Kingdom through the correlation of a tree's age with its diameter and growth character.