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Angueuk (Ongokea gore)
Family: Oleaceae Common names: Andjek, Angeuk, Angok, Angueuk, Anjek, Anojek, Balla-tue, Bobwe, Boleke, Boleko, Bui, Buleka, Dimuma, Dimuma dileka, Ekuzo, Elede, Gbui, Ibeka, Isano, Isanu, Kosin, Kouero, Ksin, Kuoto, Kuwi, Kwi, Limuna, Mobengui, Moungueke, Muketu, Muleku, N'sano, Nek, Nessano, Ngore, Nzieke, Okeka, Oleke, Oleko, Olekwa, Sano, Sanou, Sanu Distributed in: Angola, Benin, Cameroon, Congo, Equatorial Guinea, Gabon, Ghana, Ivory Coast, Liberia, Nigeria, Sierra Leone, Togo, Zaire (Africa) Distribution overview: The genus Ongokea is represented by only one species which occurs in the evergreen humid forests from Sierra Leone to Zaire and Angola in Africa. Common uses: Barge fenders, Bedroom suites, Bent Parts, Building construction, Building materials, Cabin construction, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Concrete formwork, Construction, Decorative plywood, Desks, Dining-room furniture, Docks, Dockwork, Domestic flooring, Dowell pins, Dowells, Drawer sides, Excelsior, Factory construction, Fine furniture, Floor lamps, Flooring, Form work, Foundation posts, Furniture , Furniture components, Furniture squares or stock, Furniture, Handles, Harbor work, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery, Light construction, Marine construction, Mine timbers, Musical instruments, Piling, Plywood, Poles, Posts, Pulp/Paper products, Railroad ties, Tool handles, Turnery, Vehicle parts, Veneer, Veneer: decorative Product sources: The tree is also a source of many important non-timber products. The bark yields tannin, and seed kernels are used for soap and lubricants. The tree also produces an edible fruit. Environment profile: Data source is World Conservation Monitoring Center
Secure in Cameroon, Ivory Coast and Liberia. Its environmental status is currently listed as unknown because of inadequate information in Angola, Congo, Equatorial Guinea, Gabon, Ghana, Nigeria, Sierra Leone, and Zaire
Tree size:
It develops straight and cylindrical stems above an occasional lobed or swollen base.
Colors: the heart isWhite to cream, Yellow to golden-yellow to orangeand the sapwoodSame as heartwood, Yellow.The grain isWeak figure, the textureUniformand the lusterDull
Natural durability: Susceptible to marine borer attack, Very durable Odor: No specific smell or taste Silica Content: Siliceous
Kiln Schedules: Dry at a slow speed
Drying Defects: Slight twist/warp, Splitting Ease of Drying: Slowly Tree Identification: Bole/stem form is straight Comments: General finishing qualities are rated as good Blunting Effect: Medium blunting effect on tools Boring: Fairly difficult to very difficult Carving: Fairly Difficult to Very Difficult
Cutting Resistance: Fairly Difficult to Very Difficult to saw Gluing: Good gluing properties Mortising: Fairly Difficult to Very Difficult Moulding: Fairly Difficult to Very Difficult Movement in Service: Fairly Difficult to Very Difficult Nailing: Holds nails well, Tends to split during nailing Planing: Yields smooth surfaces Resistance to Impregnation: Sapwood is moderately resistant Response to hand tools: Yields a smooth, clean finish Routing recessing: Fairly Difficult to Very Difficult
Sanding: Good sanding properties
Screwing: Good screw holding properties, May split in screwing ; Turning: Fairly Difficult to Very Difficult
Polishing: Satisfactory; Staining: Good staining qualities; Varnishing: Very good response to preservative treatment ;
Max. crushing strength = high 1 Bending strength (MOR) = high 1 Shrinkage, Tangential = large 0 Shrinkage, Radial = large Bending strength (MOR) = medium Modulus of Elasticity (stiffness) = high Hardness (side grain) = hard Shrinkage, Radial = moderate Shearing strength (parallel to grain) = high Modulus of Elasticity (stiffness) = medium Density (dry weight) = 53-60 lbs/cu. ft Bending strength (MOR) = very high Shrinkage, Radial = fairly large Modulus of Elasticity (stiffness) = low Max. crushing strength = medium Hardness (side grain) = very hard Very heavy Very dense Shrinkage, Tangential = fairly large Shrinkage, Radial = small Shearing strength (parallel to grain) = very high Hardness (side grain) = soft Density (dry weight) = 46-52 lbs/cu. ft. Compression strength (parallel to grain) = high Banks, C.H. and J.P. Schoeman. 1963. Railway Sleeper and Crossing Timbers. Bulletin No. 41, Republic of South Africa. The Government Printer, Pretoria, South Africa.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.48Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBroun, A.F.,(1899,Satinwood,Indian Forester,25(5,pp181-5Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Dudek, 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 DepartmentFouarge, J., Gerard, G.,1964,Bois du Mayumbe,I.N.E.A.C. BelguimFouarge, J.,1950,Appropriation de Bois Congolais aux Besoins de la Metropole,I.N.E.A.C. Belgium Serie Technique,No.38Fouarge, J.,1953,Bois du Congo,I.N.E.A.C.Fouarge, J.,1970,Essais Physiques,Mecaniques et de Durabilite de Bois de la Republique,Democratique du Congo,I.N.E.A.C. Belgium Serie Technique,No.76France - C.T.F.T.,1973,Investigations and Tests carried out on Tropical Timber by several,Research Laboratories,CTFTFrance - C.T.F.T.,Resultats des Observations et des Essais Effectues au CTFT sur :Angueuk -,Ongokea gore,C.T.F.T., No.140France - Comite Nacional des Bois Coloniaux,1931,Etude Physique et Mecanique des Bois Coloniaux,Assoc. Colonies-Sciences & Comite National des Bios Coloniaux, Paris,,FranceFreitas, M.C.P.G. de,1961,Madeiras de Angola Series 1,Reprint from Garcia de Orta Lisbon,9(4,pp699-711Hedin, L.,1930,Etude sur la Foret et les Bois du Cameroun,Haut-Commissaire de la CamerounHughes, J.F.,1971,The Principal Timber Trees of Cameroon,Unpublished dataIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonKeay, R.W.J.1989. Trees of Nigeria.Revised Version of Nigerian Trees. Clarendon Press, Oxford.Keay, R.W.J.,1964,Nigerian Trees Vol.2,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. 2159Lebacq, L., Dechamps, R.,1967,Contribution a un Inventaire de Forets du Nord-kasai,Musee Royal de L'Afrique Centrale Belgium Annals Series 8 No.5Monterio, R.R., Pimenta de Franca, O.F.,1965,Tres Especies Florestais de Angola,Bol. Inst. Invest. Cientifica de Angola Reprint (Luanda, 2(2,pp209-18Pieters, A.,1977,Essences Forestieres du Zaire,R.U.G. Gent BelguimSaint-Aubin, G. de,1963,La Foret du Gabon,CTFT Publ., No.21Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TSavill, P.S., Fox, J.E.D.,1967,Trees of Sierra LeoneStone, H.,1923,Etude Descriptive sur les Bois Utiles de la Guyane Francaise,Faculte des Sciences de Marseille FranceTakahashi, 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. London |
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