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AniouketiAniouketi
Aniouketi (Pachypodanthium staudtii)

Family: Annonaceae

Common names: Aniouketi, Djirrowa-tue, Fale, Gpaladio, N'tom, Ntom, Okianga, Okyira, Pae-aduasa, Zree-chu

Distributed in: Cameroon, Congo, Gabon, Ghana, Ivory Coast, Liberia, Nigeria, Sierra Leone, Zaire (Africa)

Distribution overview: The species is distributed in West Africa, and is found primarily in Ghana and Liberia.

Common uses: Balusters, Barge fenders, Boxes and crates, Building construction, Building materials, Cabinetmaking, Casks, Chairs, Chests, Concealed parts (Furniture), Construction, Cooperages, Decorative plywood, Desks, Dining-room furniture, Docks, Dockwork, Domestic flooring, Dowell pins, Dowells, Drawer sides, Excelsior, Fine furniture, Floor lamps, Flooring, Food containers, Furniture , Furniture components, Furniture squares or stock, Furniture, Harbor work, Hatracks, Interior construction, Interior trim, Joinery, Kitchen cabinets, Light construction, Living-room suites, Marine construction, Millwork, Mine timbers, Moldings, Naval architecture, Office furniture, Packing cases, Plywood, Poles, Posts, Turnery, Vats, Veneer: decorative

Environment profile: Vulnerable

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isYellow to golden-yellow to orange, Yellow/Brown and the sapwoodWhite, Yellow.The grain isWavy, the textureMedium coarse to coarseand the lusterLustrous

Natural durability: Susceptible to insect attack, Very durable

Odor: No specific smell or taste

Silica Content: High

Kiln Schedules: Kiln Drying Rate (in days) is rapid

Kiln Drying Rate: Rapid (<10 days for boards < 32 mm, to <30 days for boards >= 63 mm)

Drying Defects: Slight surface checking, Splitting

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: The leaf and bark of the tree are reported to contain alkaloids

Blunting Effect: Slight blunting effect on cutters

Boring: Fairly difficult to very difficult

Carving: Good results

Cutting Resistance: Rather low

Gluing: Satisfactory gluing properties

Mortising: Poor to Very Poor

Moulding: Fairly Difficult to Very Difficult

Movement in Service: Fairly Difficult to Very Difficult

Nailing: Pre-Boring Recommended, Satisfactory nailing properties

Planing: Very Good to Excellent

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds well to hand tools

Routing recessing: Fairly Difficult to Very Difficult

Sanding: Easy to sand

Veneering qualities: Veneers easily, Veneers moderately easy

Steam bending: Fair to Good Results

Screwing: Pre-boring recommended, Satisfactory screwing properties; Turning: Poor to Very Poor Results

Painting: Takes paint well ; Polishing: Very Good to Excellent; Varnishing: Varnishes easily with little or no surface preparation ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 721 kg/m3
Bending Strength 793 1233 kg/cm2
Crushing Strength 449 691 kg/cm2
Hardness 751 kg
Impact Strength cm
Shearing Strength 120 kg/cm2
Stiffness 119 137 1000 kg/cm2
Tangential Shrinkage 9 %
Radial Shrinkage 4 %
Weight 705 560 kg/m3
Maximum Load 0,35 0,49 cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 11293 17544 psi
Density 45 lbs/ft3
Hardness 1657 lbs
Maximum Crushing Strength 6398 9839 psi
Shearing Strength 1713 psi
Stiffness 1701 1956 1000 psi
Work to Maximum Load 5 7 inch-lbs/in3
Weight 44 35 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 9 %
Volumetric Shrinkage 12 %

Density (dry weight) = 46-52 lbs/cu. ft.
Shrinkage, Tangential = fairly large
Max. crushing strength = high
Shrinkage, Volumetric = fairly large
Shrinkage, Tangential = large
Density (dry weight) = 38-45 lbs/cu. ft.
Bending strength (MOR) = high
Shrinkage, Radial = small
Shrinkage, Radial = fairly large
Modulus of Elasticity (stiffness) = low
Bending strength (MOR) = medium
Shrinkage, Radial = moderate
Shrinkage, Radial = large
Modulus of Elasticity (stiffness) = high
Hardness (side grain) = medium
Work to Maximum Load = very low
Shrinkage, Volumetric = moderate
Shrinkage, Tangential = moderate
Shearing strength (parallel to grain) = very low
Shearing strength (parallel to grain) = low
Modulus of Elasticity (stiffness) = very low
Max. crushing strength = very high
Hardness (side grain) = soft
Hardness (side grain) = hard
Bending strength in the air-dry condition (about 12 percent moisture content) is very high
Compression strength parallel to grain, or maximum crushing strength, is very high - higher than in Teak or Hard maple.

Cooper, 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 GermanyHughes, J.F.,1971,The Principal Timber Trees of Cameroon,Unpublished dataIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonJane, F.W.,1954,The Structure of World Timbers - 21 Muganga Musine Pilon and Hura,Timber Technology,62(2175, pp15-17Keay, R.W.J., et al,1960,Nigerian Trees Vol.1,Nigeria Federal Department of Forest Research, IbadanKryn, 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.5Sallenave, P.,1964,Proprietes Physiques et Mecaniques des Bois Tropicaux (Premier Supplement,C.T.F.T. Publ.,no.23Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7
*Come interpretare i dati (manleva su eventuali imprecisioni)