Difference between revisions of "Alaska cedar"

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A large, softwood tree, ''Chamaecyparis nootkatensis'', found in the Pacific Northwest. Alaska cedar belongs to the cypress family, but is called a cedar because of its aromatic smell. The yellow wood has an even texture and a fine, straight grain. Alaska cedar is used for boat building, veneers, lumber, cabinetry, closets, and chests. It is very durable and has the advantage of being resistant to insects and rotting. Yellow cedar fibers, carefully prepared from strips of the inner bark, were woven, often mixed with wool, into blankets and cords by the Salish, Kwakiutl, and Tlingit tribes (King and Hartley 1979).
 
A large, softwood tree, ''Chamaecyparis nootkatensis'', found in the Pacific Northwest. Alaska cedar belongs to the cypress family, but is called a cedar because of its aromatic smell. The yellow wood has an even texture and a fine, straight grain. Alaska cedar is used for boat building, veneers, lumber, cabinetry, closets, and chests. It is very durable and has the advantage of being resistant to insects and rotting. Yellow cedar fibers, carefully prepared from strips of the inner bark, were woven, often mixed with wool, into blankets and cords by the Salish, Kwakiutl, and Tlingit tribes (King and Hartley 1979).
  
[[File:alaskacedarwc.jpg|thumb|Alaska yellow cedar  
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[[File:alaskacedarwc.jpg|thumb|Alaska yellow cedar (''Chamaecyparis nootkatensis'',)]]
 
 
(''Chamaecyparis nootkatensis'',)]]
 
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
Chamaecyparis nootkatensis; Alaskan cedar; Alaska cypress; yellow cypress; yellow cedar;
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''Chamaecyparis nootkatensis''; Alaskan cedar; Alaska cypress; yellow cypress; yellow cedar;
 
 
== Other Properties ==
 
 
 
Specific gravity = 0.5 (air dry); Odor of fresh cut surface resembles raw potatoes; Sapwood = white to yellowish; Heartwood = bright yellow when freshly cut and darkens with exposure to air; medium soft to hard; medium weight; Grain = straight;  Texture = fine, even;  Rays = fine;  Tracheids = 30-45 microns in diameter
 
 
 
{| class="wikitable"
 
|-
 
! scope="row"| Density
 
| 31 ppcf
 
|}
 
  
[[File:17_Alaska Cedar_100x_Rad.jpg|thumb|Alaska cedar
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== Physical and Chemical Properties ==
  
(''Chamaecyparis nootkatensis'')]]
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* Specific gravity = 0.5 (air dry);
== Additional Information ==
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* Odor of fresh cut surface resembles raw potatoes;
 
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* Sapwood = white to yellowish;
R.King, E.Hartley, "Unusual Fibers Used in Northwest Coast Ethnographic Textiles, Their Preparation & Their Structure", ''Technology & Conservation'' 1/79.
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* Heartwood = bright yellow when freshly cut and darkens with exposure to air; medium soft to hard; medium weight;
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* Grain = straight; 
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* Texture = fine, even; 
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* Rays = fine; 
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* Tracheids = 30-45 microns in diameter;  
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* Density = 31 ppcf
  
 
== Additional Images ==
 
== Additional Images ==
  
 
<gallery>
 
<gallery>
File:17_Alaska Cedar_100x_Tan.jpg|Alaska cedar  (''Chamaecyparis nootkatensis'')
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File:17_Alaska Cedar_100x_Tan.jpg|Alaska cedar  (''Chamaecyparis nootkatensis'')<br> tangential section
File:17_Alaska Cedar_100x_Tran.jpg|Alaska cedar (''Chamaecyparis nootkatensis'')
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File:17_Alaska Cedar_100x_Tran.jpg|Alaska cedar (''Chamaecyparis nootkatensis'')<br> transverse section
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File:17_Alaska Cedar_100x_Rad.jpg|Alaska cedar (''Chamaecyparis nootkatensis'')<br> radial section
 
</gallery>
 
</gallery>
  
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== Resources and Citations ==
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* Alden Identification Services, Microscopic Wood Identification: [https://wood-identification.com/wood-types/ Link]
  
== Sources Checked for Data in Record ==
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* R.King, E.Hartley, "Unusual Fibers Used in Northwest Coast Ethnographic Textiles, Their Preparation &amp; Their Structure", ''Technology &amp; Conservation'' 1/79.
  
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 258
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 258
  
 
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
 
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
 
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 08:26, 25 April 2022

Alaska cedar tree

Description

A large, softwood tree, Chamaecyparis nootkatensis, found in the Pacific Northwest. Alaska cedar belongs to the cypress family, but is called a cedar because of its aromatic smell. The yellow wood has an even texture and a fine, straight grain. Alaska cedar is used for boat building, veneers, lumber, cabinetry, closets, and chests. It is very durable and has the advantage of being resistant to insects and rotting. Yellow cedar fibers, carefully prepared from strips of the inner bark, were woven, often mixed with wool, into blankets and cords by the Salish, Kwakiutl, and Tlingit tribes (King and Hartley 1979).

Alaska yellow cedar (Chamaecyparis nootkatensis,)

Synonyms and Related Terms

Chamaecyparis nootkatensis; Alaskan cedar; Alaska cypress; yellow cypress; yellow cedar;

Physical and Chemical Properties

  • Specific gravity = 0.5 (air dry);
  • Odor of fresh cut surface resembles raw potatoes;
  • Sapwood = white to yellowish;
  • Heartwood = bright yellow when freshly cut and darkens with exposure to air; medium soft to hard; medium weight;
  • Grain = straight;
  • Texture = fine, even;
  • Rays = fine;
  • Tracheids = 30-45 microns in diameter;
  • Density = 31 ppcf

Additional Images

Resources and Citations

  • Alden Identification Services, Microscopic Wood Identification: Link
  • R.King, E.Hartley, "Unusual Fibers Used in Northwest Coast Ethnographic Textiles, Their Preparation & Their Structure", Technology & Conservation 1/79.
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 258
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996