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White Tabebuia
White Tabebuia (Tabebuia insignis)

Family: Bignoniaceae

Common names: Alas-waboe, Alasoabo, Anago-switie, Blanchet, Bois blanchet, Cedre blanc, Courali, Johoto, Koepaia, Mattoe, Panda, Panda hoedoe, Pandorana, Panta, Panta hoedoe, Waracoori, Warakuri, Warikuri, Waroe koelie, Warokorie, White cedar, White tabebuia, Woraccori, Zwamp panta, Zwamp-panta

Distributed in: Brazil, French Guiana, Guyana, Suriname, Venezuela (Central America, Latin America)

Distribution overview: reported to grow from southern Colombia and Venezuela to the Guianas, and south through most of non-coastal Brazil to Bolivia. It is usually found from sea level to elevations of about 5570 feet (1700 m). The trees are often locally common in poorly drained swampy areas where it mostly occurs, and sometimes forms nearly pure stands.

Common uses: Agricultural implements, Boat building (general), Boat building: decking, Boxes and crates, Building materials, Casks, Chairs, Chests, Concealed parts (Furniture), Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Factory flooring, Fine furniture, Floor lamps, Flooring, Furniture , Furniture components, Furniture squares or stock, Furniture, General carpentry, Handles, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery, Kitchen cabinets, Light construction, Living-room suites, Millwork, Moldings, Office furniture, Packing cases, Parquet flooring, Plywood, Radio - stereo - TV cabinets, Rustic furniture, Shafts/Handles, Sporting Goods, Stools, Sub-flooring, Tables , Tool handles, Trimming, Turnery, Utility furniture, Vehicle parts, Veneer: decorative

Environment profile: Widespread

Tree size: Tree height is 30-40 m

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite, Yellow.The grain isStraight, Fairly , the textureMedium coarse and uniformand the lusterPronounced

Natural durability: Susceptible to marine borer attack, Very durable

Odor: No specific smell or taste

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Resin Exudation, Splitting

Ease of Drying: Slowly

Tree Identification: Bole/stem form is buttressed

Comments: General finishing qualities are rated as good Suggested as a possible subsitute for Ash (Fraxinus spp.) and Birch (Betula spp.) for certain applications

Blunting Effect: Slight

Boring: Fairly easy with ordinary tools

Carving: Fairly good response to preservative treatment

Cutting Resistance: Green logs tend to spring during sawing

Gluing: Satisfactory gluing properties

Mortising: Surfaces of seasoned material are cleaner

Moulding: Good finishing

Movement in Service: Good finishing

Nailing: Poor to Very Poor , Very Good to Excellent

Planing: Very Good to Excellent

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Seasoned wood responds well

Routing recessing: Routing characteristics are good

Sanding: Sanded surfaces of seasoned wood are smoother and cleaner

Veneering qualities: Veneers easily, Veneers moderately easy

Screwing: Fairly Easy to Very Easy ; Turning: Very Good to Excellent Results

Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,56
Density 657 kg/m3
Bending Strength 914 1185 kg/cm2
Crushing Strength 453 632 kg/cm2
Hardness 616 kg
Impact Strength cm
Shearing Strength 109 kg/cm2
Stiffness 143 165 1000 kg/cm2
Tangential Shrinkage 7 %
Radial Shrinkage 4 %
Weight 641 496 kg/m3
Maximum Load cm-kg/cm3
Toughness 141 cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 13000 16865 psi
Density 41 lbs/ft3
Hardness 1359 lbs
Maximum Crushing Strength 6451 8992 psi
Shearing Strength 1560 psi
Stiffness 2045 2361 1000 psi
Toughness 123 inch-lbs
Specific Gravity 0.56
Weight 40 31 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 7 %
Volumetric Shrinkage 11 %

Density (dry weight) = 38-45 lbs/cu. ft. 1
Shearing strength (parallel to grain) = low
Max. crushing strength = high
Hardness (side grain) = medium
Bending strength (MOR) = medium
Bending strength (MOR) = high
Shrinkage, Radial = fairly large
Modulus of Elasticity (stiffness) = high
Shrinkage, Tangential = moderate
Shrinkage, Volumetric = fairly large
Modulus of Elasticity (stiffness) = medium
Hardness (side grain) = soft
Shrinkage, Tangential = large
Shrinkage, Tangential = fairly large
Shrinkage, Radial = large
Density (dry weight) = 46-52 lbs/cu. ft.
Density (dry weight) = 31-37 lbs/cu. ft.
Resists wearing and marring
Modulus of Elasticity (stiffness) = very high
Max. crushing strength = medium
Heavy
Density = high
Crushing strength = high
Compression strength (parallel to grain) = high
Bending strength (MOR) = very high
The bending strength of air-dried wood of the species is similar to that of Teak, which is considered to be strong. Teak, White oak, and Hard maple have high crushing strength

Berni, C.A., Bolza, E., Christensen, F.J.,1979,South American Timbers - The Characteristics, Properties and Uses of 190,Species,C.S.I.R.O Div. Building ResearchChichignoud, M., G. Deon, P. Detienne, B. Parant and P. Vantomme.1990.Tropical Timber Atlas of Latin America.International Tropical Timber Organization (ITTO, Centre Technique Forestier Tropical, Division of CIRAD, 45 bis Avenue de la Belle Gabrielle, Nogent-sur-Marne, CEDEX, France.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry DepartmentFanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.Kynoch, W., Norton, N.A.,1938,Mechanical Properties of certain tropical woods chiefly from S. America,School of Forestry and Conservation, University of Michigan Bulletin,No.7Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Polak, A.M.,1992,Major Timber Trees of Guyana A Field Guide,The Tropenbos Foundation Wageningen, The NetherlandsRecord, S.J. and R.W. Hess. 1943. Timbers of the New World. Published on the Charles Lathrop Pack Foundation, Yale University Press, New Haven CT.Record, S.J., Hess, R.W.,1940,American Woods of the Family Bignoniaceae,Tropical Woods,8(63,pp 9-38Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressTakahashi, A.,1975,Compilation of data on the Mechanical Properties of Foreign Woods (Part 2,Central and South America,Shimane University, Japan, Research Report on Foreign Wood No.4Vink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed.WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World, World Conservation Monitoring Centre, Plants Programme, 219 Huntingdon Road, Cambridge, CB3 ODL, United Kingdom.
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