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Simarouba
Simarouba (Simarouba amara)

Family: Simaroubaceae

Common names: Acajou Blanc, Accituno, Aceituno, Adonichi, Adoonsidero, Aku, Aruba, Assoumaripa, Bitter ash, Bitterash, Bitteresche, Bitterwood, Bois blanc, Bois de cayan, Brazilian white pine, Caixeta, Cedro Amargo, Cedro Blanco, Chiriuana, Cuna, Guitarro, Malacacheta, Marouba, Maruba, Marupa, Marupauba, Megrito, Mountain damson, Negrito, Olivo, Pao pomba, Paradise tree, Parahyba, Paraiba, Pasa-ak, Pau parahyba, Pitomba, Roba, Shirima, Simarouba, Simarruba, Simaruba, Simarupa, Simere, Soemaroeba, Soemaroepa, Stavewood, Tamanqueira, Walkara, Xpasak, Yaku

Distributed in: Bahamas, Belize, Bolivia, Brazil, Colombia, Columbia, Cuba, Dominican Republic, Ecuador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico, Peru, Suriname, Trinidad and Tobago, Venezuela (Central America, Latin America, Oceania and S.E. Asia)

Distribution overview: The genus Simarouba consists of shrubs and small, medium-sized, or large trees that are widely distributed in tropical America. Their growth range extends through northern South America from Venezuela and the Guianas to the Amazon region of Brazil, as well as Trinidad and Tobago. S. amara grow principally in the Guianas and the Amazon region in Brazil.

Common uses: Blockboard, Boxes and crates, Building materials, Cabinetmaking, Casks, Chairs, Chests, Concealed parts (Furniture), Concrete formwork, Cooperages, Core Stock, Cutting surfaces, Decorative plywood, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Fine furniture, Floor lamps, Flooring: industrial heavy traffic, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery, Kitchen cabinets, Light construction, Living-room suites, Matchboxes, Matches, Mathematical instruments, Millwork, Moldings, Musical instruments, Musical instruments: piano, Office furniture, Packing cases, Particleboard, Plywood corestock, Plywood, Pulp/Paper products, Radio - stereo - TV cabinets, Rustic furniture, Shingles, Stools, Tables , Toys, Trimming, Turnery, Utility furniture, Veneer, Wainscotting, Wardrobes

Product sources: The ITTO reports that timber production from the species is regular but exportation is rather low.

Environment profile: Status has not been officially assessed

Tree size: Sapwood width is 0-5 cm

Colors: the heart isYellow, Yellow-Brown to bright yellow, often with a greenish tinge and the sapwoodWhite to yellow, Yellow.The grain isWeak figure, the textureUniformand the lusterPronounced

Natural durability: Very durable, Very low natural resistance to decay and attack by termites

Odor: No distinct odor or taste

Kiln Schedules: Drying (speed) is fast

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Slight tendency to warp and check during drying , Slight twist/warp

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good Oily streaks are occasionally present

Blunting Effect: Very slight blunting effect on cutting tools

Boring: Responds readily to ordinary tools in boring operations to produce clean surfaces

Carving: Responds readily to carving operations

Cutting Resistance: Low resistance to sawing, but freshly felled logs may split due to internal stresses

Gluing: Fairly Difficult to Very Difficult

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Fairly Difficult to Very Difficult, Holds nails well

Planing: Very Good to Excellent

Resistance to Impregnation: Satisfactory preservative absorption and retention

Response to hand tools: Responds well to hand tools

Routing recessing: Good routing qualities

Sanding: Good sanding properties

Veneering qualities: Veneer dries relatively rapidly, with little degrade except slight tendency to split , Veneers tend to be fragile

Screwing: Easy to screw, Poor to satisfactory screwing properties ; Turning: Turned surfaces are generally clean and smooth

Painting: Takes paint without difficulty ; Polishing: Very Good to Excellent; Staining: Finish is generally good ; Varnishing: Satisfactory;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,37 0,38
Density 416 kg/m3
Bending Strength 457 695 kg/cm2
Crushing Strength 26 41 kg/cm2
Hardness 173 kg
Impact Strength cm
Shearing Strength 77 kg/cm2
Stiffness 82 92 1000 kg/cm2
Tangential Shrinkage 5 %
Radial Shrinkage 2 %
Weight 448 400 kg/m3
Maximum Load 0,28 0,35 cm-kg/cm3
Toughness 74 cm-kg
Static Bending 268 432 kg/cm2
Item Green Dry English
Bending Strength 6506 9886 psi
Crushing Strength 372 588 psi
Density 26 lbs/ft3
Hardness 382 lbs
Maximum Crushing Strength 3101 5172 psi
Shearing Strength 1108 psi
Static Bending 3822 6154 psi
Stiffness 1171 1321 1000 psi
Toughness 65 inch-lbs
Work to Maximum Load 4 5 inch-lbs/in3
Specific Gravity 0.37 0.38
Weight 28 25 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 5 %
Volumetric Shrinkage 8 %

Bending strength (MOR) = low 0
Hardness (side grain) = very soft 0
Shrinkage, Radial = very small 0
Shearing strength (parallel to grain) = very low 0
Max. crushing strength = medium 0
Density (dry weight) = 23-30 lbs/cu. ft. 0
Shrinkage, Tangential = very small 1
Shrinkage, Volumetric=very small 0
Modulus of Elasticity (stiffness) = very low 0
Modulus of Elasticity (stiffness) = low
Max. crushing strength = low
Shrinkage, Volumetric = moderate
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Shrinkage, Radial = small
Bending strength (MOR) = medium
Shrinkage, Volumetric = small
Shrinkage, Tangential = large
Weight=Medium
Shearing strength (parallel to grain) = medium
Shearing strength (parallel to grain) = low
Not hard
Dents and marrs easily
Density=Average/Medium
Density (dry weight) = 31-37 lbs/cu. ft.
Density (dry weight) = 15-22 lbs/cu. ft.
Compression strength (parallel to grain) = low
Bending stength in air-dried condition...is medium

Bena, P.,1960,Essences Forestieres de Guyane,Bureau Agricole et Forestier Guyanais GuyanaBerni, 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 ResearchBodig, J. and B. A. Jayne. 1982. Mechanics of Wood and Wood Composites. Van Nostrand Reinhold Company, New York.Bois et Forets des Tropiques,1952,Simarouba,Bois et Forets des Tropiques,No.26,pp389-92Brazier, J.D.,1975,Properties and uses of Brazilian woods,Journal of the Institute of Wood Science,7(2,pp50-57Brown, W.H.,1978,Timbers of the World No.1 Africa,TRADA, Red Booklet SeriesBrown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet SeriesBrown, W.H.,1978,Timbers of the World, No. 9 Central America and the Caribbean,TRADA, Red Booklet SeriesCaribbean Commission,1952,Information on properties of timbers gathered by questionnaire and,collated in the secretariat of the Caribbean Commission including some,related data from technical literature.,Caribbean Commission, Port of Spain, Trinidad Caribbean Timbers, their,Utilization and Trade within the area CTUTA/1/Doc.7 + App.1-18Chichignoud, M., G. Deon, P. Detienne, B. Parant, and P. Vantomme. 1990. Tropical Timber Atlas of Latin America. International Tropical Timber Organization (ITTO) and Centre Technique Forestier Tropical (CTFT, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, FranceChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Clifford, N.,1957,Timber Identification for the Builder and Architect,Leonard Hill (Books) LTD. LondonEchenique-Manrique, R., Diaz Gomez, V.,1969,Algunas Caracteristicas Technologicas de la Madera de once Especies,Mexicanas. (Some technological characteristics of the wood of eleven,Mexican species.,Inst. Nac. Inv. For. Mexico Boletin Tecnico,27Erfurth, 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.1Flores Rodriguez, L.J.,1969,Description Caracteristicas y usos de 25 Maderas tropicales,Mexicanas,Camera Nacional de la Industria de la Construccion Serie Maderas de MexicoGuna et al, S.R.D.,1945,Notes on British Guiana Timbers,The 'Daily Chronicle' Ltd. Printers,28PPHess, R.W., Wangaard, F.F., Dickinson, F.E.,1950,Properties and Uses of Tropical Woods 2,Tropical Woods,13(97,pp1-132Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer CuttingITTO. New Marketable Species Technical Notes. Prepared by Centre Technique Forestier Tropical (CTFT, Division of CIRAD, 45 bis, Avenue de la Belle Gabrielle, 94736 Nogent-sur-marne Cedex, FranceKukachka, B.F.,1960,Marupa (Simarouba amara Aubl.,U.S.A. Department of Agriculture, Forest Products Laboratory, Madison,,Foreign Wood Series No.1956 (Revised)Kukachka, B.F.,1970,Properties of Imported Tropical Woods,Forest Research Paper FPL 125Lang, W.G.,1954,Forest Utilization in Saint Lucia British West Indies,Caribbean Forester 15 pp120-3Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Loureiro, A.A., Freitas da Silva, M.,1968,Catalogo das Madeiras da Amazonia (2 vols,Min. do Ultramar Belem BrasilMarshall, R.C.,1939,Silviculture of the trees of Trinidad and Tobago - British West Indies,O.U.P.,LondonPolak, A.M.,1992,Major Timber Trees of Guyana A Field Guide,The Tropenbos Foundation Wageningen, The NetherlandsRecord, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressRecord, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. PressReyes, L.J. 1938. Philippine Woods. Department of Agriculture and Commerce, Technical Bulletin 7, Commonwealth of the Philippines, Bureau of Printing, Manila.Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TSallenave, P.,1964,Proprietes Physiques et Mecaniques des Bois Tropicaux (Premier Supplement,C.T.F.T. Publ.,no.23Sallenave, P.,1971,Proprietes Physiques et Mecaniques des Bois Tropicaux (Deuxieme,Supplement,C.T.F.T.Slooten van der, H.J., Martinez, E.P.,1959,Descripcion y propiedades de algunas madeiras Venezolanas,Inst. for Lation Americano de Investigacion y Capaciticion Boletin,Informaturo DirulgaturoStone, H.,1924,The Timbers of Commerce and their Identification,William Rider & Sons Ltd. LondonStreets, R.J.,1962,Exotic Forest Trees in the British Commonwealth,Clarendon Press OxfordSurinam Forest Service,1952,Surinam Timber - A Summary with brief descriptions of the main timber,species of Surinam,Surinam Forest ServiceTakahashi, 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.4Teixeira, D. E., M. A. E. Santana and M. Rabelo de Souza.1988. Amazonian Timbers for the International Market.ITTO Technical Series 1.Brazilian Institute for Forestry Development, Brazil.Villamil, F.G.,1971,Maderas Colombianas,Proexpo ColombiaVink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed.Volkart, C.,1965,Recopilacion dedatos sobre propiedacies y usos maderos del Bosque Tropical,de las Costa Atlantica de Nicaragua,Turrialba,15(1, pp43-57Wangaard, F.F., and A.F. Muschler. 1952. Tropical Woods - Properties and Uses of Tropical Woods, Volume III, No. 98. School of Forestry, Yale University, New Haven, Connecticut.Wangaard, F.F., Muschler, A.F.,1952,Properties and Uses of Tropical Woods 3,Tropical Woods,14(98, pp1-190Woods, R.P.,1949,Timbers of South America,TRADA, Red Booklet SeriesWood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13
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