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Akouapo (Sacoglottis gabonensis)
Family: Humiriaceae Common names: Afamkokoo, Akouapo, Amuan, Atala, Attalla, Bebvo, Bidou, Bitter bark, Boboua, Cherry, Dauh, Dewe, Doh, Edat, Edoue, Efuanle, Eloue, Eruk, Essoua, Esua, Fawire, Fuale, Gbokone, Idon, Illouye, Ioon, Issoua, Itala, Kpo-weli, Kweo, Mahogany, Mosouhouga, Nche, Ndat, Niouka, Ntala, Okpi-uta, Osonga, Ozongo, Ozouga, Tala, Tiabutuo, Toboe, Tssoua, Ugu, wewe Distributed in: Angola, Gabon, Ivory Coast, Liberia, Sierra Leone, South Africa, Zaire (Africa) Distribution overview: reported to grow in lowland rain forests, especially in freshwater swamp forests. Its range extends from Sierra Leone to Gabon, Zaire and Angola. Common uses: Bedroom suites, Boat building (general), Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Chairs, Charcoal, Chests, Concealed parts (Furniture), Construction, Crossties, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Excelsior, Factory construction, Fine furniture, Floor lamps, Flooring, Fuelwood, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Joinery, Kitchen cabinets, Light construction, Living-room suites, Mathematical instruments, Millwork, Mine timbers, Office furniture, Parquet flooring, Precision instruments, Radio - stereo - TV cabinets, Railroad ties, Rustic furniture, Shipbuilding, Stools, Sub-flooring, Tables , Turnery, Vehicle parts Environment profile: Status has not been officially assessed Tree size: Tree height is 10-20 m
Colors: the heart isReddish brown, Yellowand the sapwoodWhite to yellow, Yellow.The grain isWeak figure, the textureVery fineand the lusterMedium
Natural durability: Very durable, Very durable Odor: Has an odor
Kiln Schedules: Dry at a slow speed Kiln Drying Rate: Naturally dries slowly
Drying Defects: Moderate surface checking, Moderate twist/warp Ease of Drying: Slowly Tree Identification: Bole/stem form is misshapen Comments: General finishing qualities are rated as good General finishing qualities are rated as satisfactory The bark is used to add a bitter taste to palm wine Boring: Timber responds fairly well to ordinary machine tools Carving: Very Good to Excellent Results Cutting Resistance: Wood is hard Gluing: Surface Preparation Mortising: Fairly Easy to Very Easy Moulding: Fairly Easy to Very Easy Movement in Service: Fairly Easy to Very Easy Nailing: Holds nails well, Very Good to Excellent Planing: Very Good to Excellent Resistance to Impregnation: Permeable sapwood
Response to hand tools: Responds Readily Routing recessing: Fairly good routing response Sanding: Good characteristics
Screwing: Difficult to screw, Good screw holding properties; Turning: Very Good to Excellent Results
Painting: Surface Preparation
; Polishing: Well defined ; Staining: Surface Preparation
;
Density (dry weight) = 53-60 lbs/cu. ft 0 Max. crushing strength = high Density (dry weight) = 46-52 lbs/cu. ft. Bending strength (MOR) = high Density (dry weight) = 61-67 lbs/cu.ft Bending strength (MOR) = very high Shrinkage, Tangential = large Shrinkage, Radial = fairly large Hardness (side grain) = hard Shrinkage, Volumetric = large Shearing strength (parallel to grain) = medium Modulus of Elasticity (stiffness) = medium Modulus of Elasticity (stiffness) = high Max. crushing strength = very high Hardness (side grain) = medium Bending strength (MOR) = medium Shrinkage, Volumetric = small Shrinkage, Volumetric = fairly large Shrinkage, Tangential = moderate Shrinkage, Tangential = fairly large Shrinkage, Radial = moderate Shrinkage, Radial = large Shearing strength (parallel to grain) = low Hardness (side grain) = very hard Compression strength (parallel to grain) = very high The species is considerably stronger than White oak or Teak Banks, C.H., Schoeman, J.P., Otto, K.P.,1977,The Mechanical Properties of Timbers with particular reference to South,Africa,South African Forestry Research Institute Bulletin,(Ed.,Schoeman, J.P. 1973 & Otto K.P. 1976,No.48Banks, C.H.,1954,The Mechanical Properties of Timbers with Particular Reference to those,grown in the Union of South Africa,Journal of the South African Forestry Association,No. 24 pp.44-65,[South,African Forestry Journal]Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchCooper, G.P., Record, S.J.,1931,The Evergreen Forests of Liberia,Yale School Forestry Bulletin,31,pp1-153Dudek, S.,1981,Lesser Known Liberian Timber Species,German Agency for Technical Cooperation GermanyErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentHedin, L.,1930,Etude sur la Foret et les Bois du Cameroun,Haut-Commissaire de la CamerounIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonJay, B.A.,1968,Timbers of West Africa,TRADA, Red Booklet SeriesKeay, R.W.J.1989. Trees of Nigeria.Revised Version of Nigerian Trees. Clarendon Press, Oxford.Keay, R.W.J., et al,1960,Nigerian Trees Vol.1,Nigeria Federal Department of Forest Research, IbadanKennedy, J.D.,1936,Forest Flora of Southern Nigeria,Government Printer LagosKryn, J.M., Forbes, E.W.,1959,The Woods of Liberia,U.S.A. Department of Agriculture,Forest Products Laboratory, Madison,,Report No. 2159Kunkel, G.,1965,The Trees of Liberia,German Forestry Mission to Liberia Report,No.3Meniaud, J., Bretonnet, F.,1926,Les Bois Coloniaux d'Afrique dans l'Industrie,Publ. de l'Agence Gen. des ColoniesSallenave, 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.23Savill, P.S., Fox, J.E.D.,1967,Trees of Sierra LeoneTakahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Taylor, C.J.,1960,Synecology and Silviculture in Ghana,University College of Ghana Thomas Nelson and SonsUnwin, A.H.,1920,West African Forests and Forestry,T. Fisher Unwin Ltd. LondonVoorhoeve, A.G.,1965,Liberian High Forest Trees,Centre for Agric. Publishing and Documentation, Wageningen |
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