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California laurelCalifornia laurelCalifornia laurelCalifornia laurelCalifornia laurelCalifornia laurel
California laurel (Umbellularia californica)

Family:

Common names: Bay laurel, California laurel, Myrtle, Oregon myrtle, Pepperwood, Spice tree

Distributed in: United States (North America)

Distribution overview: The only tree in its family found in the western United States, California laurel occurs from Oregon to California, from latitudes 44 degrees to 33 degrees north. It grows in the Coast Ranges, the southwestern Cascade Range and all along the western Sierra Nevada. Its range is limited to within 160 miles east of the Pacific Coast. Many laurel trees are found in parks and riparian areas.

Common uses: Bedroom suites, Bent Parts, Building materials, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Figured veneer, Fine furniture, Floor lamps, Furniture , Furniture components, Furniture squares or stock, Hatracks, Interior construction, Interior trim, Kitchen cabinets, Living-room suites, Millwork, Moldings, Novelties, Office furniture, Paneling , Radio - stereo - TV cabinets, Rustic furniture, Stools, Tables , Trimming, Turnery, Utility furniture, Veneer, Wainscotting, Wardrobes, Woodenware

Product sources: The material is scarce in the lumber form, but small pieces of wood are often available from dealers at high prices. Supplies of the highly figured Myrtle burls are very limited. They are the highest priced of all American woods when available.

Environment profile: Severely overlogged

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isGreenish-Yellow , Yellowand the sapwoodPale brown, Yellow.The grain isWavy, the textureUniformand the lusterMedium

Natural durability: Resistant to decay, Very little natural resistance

Odor: Spicy odor - may be strong or mild

Silica Content: Siliceous

Kiln Schedules: T6-A4 (4/4)

Drying Defects: Distortion, Splitting

Ease of Drying: Moderately Difficult to Difficult

Comments: The wood is used almost exclusively for wooden novelties of all varieties and sizes.

Boring: Fairly difficult to very difficult

Carving: Fairly Difficult to Very Difficult

Cutting Resistance: Fairly Difficult to Very Difficult to saw Slight resistance

Gluing: Good properties

Mortising: Fairly Difficult to Very Difficult

Moulding: Good moulding properties

Movement in Service: Good moulding properties

Nailing: Good nailing properties, Holds nails well

Planing: Reduced angle of 20 degrees in recommended

Resistance to Impregnation: Resistant sapwood

Routing recessing: Fairly Difficult to Very Difficult

Sanding: Fine grade sandpaper is recommended

Screwing: Good screw holding properties, Good screwing properties; Turning: Wood has excellent turning properties

Polishing: Very Good to Excellent; Staining: Seldom stained, but if color changes are desired, thin coats of dyes and tranparent stains are recommended over pigmented products. ; Varnishing: Highly attractive when coated with clear finishes ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,5 0,53
Density kg/m3
Bending Strength kg/cm2
Crushing Strength 96 kg/cm2
Hardness kg
Impact Strength 76 cm
Shearing Strength 128 kg/cm2
Stiffness 64 1000 kg/cm2
Tangential Shrinkage 8 %
Radial Shrinkage 3 %
Weight 817 592 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Crushing Strength 1372 psi
Impact Strength 30 inches
Shearing Strength 1823 psi
Stiffness 921 1000 psi
Specific Gravity 0.5 0.53
Weight 51 37 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 8 %
Volumetric Shrinkage 12 %

Bending strength (MOR) = low
Hard and heavy. resistant to wearing and marring

Boone, R.S., C.J. Kozlik, P.J. Bois and E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Woods: Temperate and Tropical. United States Department of Agriculture, Forest Service, Forest Products Laboratory, General Technical Report FPL-GTR-57, Madison, Wisconsin.California Department of Forestry.Comparative Physical & Mechanical Properties of Western & Eastern Hardwoods.Prepared by Forest Products Laboratory, University of California at Berkeley, Berkeley, California.n/d.Constantine, Jr., A.J. 1975. Know your Woods - A Complete Guide to Trees, Woods, and Veneers. Revised by H.J. Hobbs. Charles Scribner's Sons, New York.Dave Faison. Into the Woods. Personal Communication, 1993.Kline, M. 1978. Umbellularia californica - California laurel. In A Guide to Useful Woods of the World. Flynn Jr., J.H., Editor. King Philip Publishing Co., Portland, Maine. 1994. Page 358-359.Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.Little, E.L.1980.The Audobon Society Field Guide to North American Trees - Western Region.Published by Arthur A. Knopf, New York.Niemiec, S.S., G.A. Ahrens, S. Willits, and D.E. Hibbs. March, 1995. Hardwoods of the Pacific Northwest. Oregon State University, College of Forestry,Research Contribution 8, Forest Research Laboratory, Department of Forest Products, Corvallis, Oregon.Panshin, A.J. and C. deZeeuw. 1980. Textbook of Wood Technology, 4th Edition. McGraw-Hill Series in Forest Resources. McGraw-Hill Book Company, New York.USDA. 1988. Dry Kiln Operators Manual, Preliminary Copy. Forest Service, Forest Products Laboratory, Madison, Wisconsin.Western Wood Products Association.19__.Woods of the Western USA.Published and distributed by the Western Wood Products Association, Yeon Building, 522 S.W. Fifth Avenue, Portland, Oregon.
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