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Callitropsis nootkatensis is an evergreen conifer growing up to 40 meters (131 ft) tall, exceptionally 60 m (200 ft), with diameters up to 3.4 to 4 m (11 to 13 ft). The bark is thin, smooth and purplish when young, turning flaky and gray. [4]
Yellow-cedar range and decline map. Yellow-cedar decline is the accelerated decline and mortality of yellow cedar (Chamaecyparis nootkatensis) occurring in the Pacific Northwest Temperate Rainforest of Southeast Alaska and British Columbia in North America. This phenomenon has been observed on over 200,000 hectares of forest and is believed to ...
Nootkatone in spray form is an effective repellent or insecticide against deer ticks [8] [9] [10] and lone star ticks. [9] [10] It is also an effective repellent or insecticide against mosquitos, and may repel bed bugs, head lice, Formosan termites, [11] and other insects. [12]
The main disturbance to yellow-cedar in the northern part of the southeast region is lack or depletion of snow-pack. The yellow-cedar has been dying throughout an area of 200,000 hectares over the last 100 years. [7] The yellow-cedar's fine root system is susceptible to cold soil temperatures; temperatures below −5 °C are lethal. Snow pack ...
Of utmost importance is the Western red cedar (Thuja plicata), but the yellow cedar (Chamaecyparis nootkatensis), spruces (Picea glauca u.a.), hemlock (Tsuga heterophylla), pines (Pinus contorta, Pinus ponderosa), in addition Populus tremuloides, Populus trichocarpa and Alnus rubra are also quite frequent. The bark of hemlock and certain ...
Yellow cedar is a common name for several trees and may refer to: Callitropsis nootkatensis , native to northwestern North America Palicourea croceoides [ fr ] , found in the West Indies and French Guiana
Historically, most items of clothing were made of shredded and woven cedar bark. [1] The names of the trees which provide the bark material are Thuja plicata, the Western redcedar and Callitropsis nootkatensis, or yellow cypress (often called "yellow cedar"). Bark was peeled in long strips from the trees, the outer layer was split away, and the ...
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