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Clicking any heading in the main data area (at right) will scroll the page back to this top position. Use the following links to jump to the associated section in the main data. Blunting Effect Boring Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Family Name Gluing Grain Heartwood Color Kiln Drying Rate Luster Moulding Nailing Natural Durability Numerical Data Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Strength Properties Texture Toxicity Trade Name Tree Identification Tree Size Turning Veneering Qualities Scientific Name Tessmannia anomala Trade Name Bangula Family Name Caesalpiniaceae Common Names Bangula, Bushanka, Dengela, Kakele, Kamalufu, Munzeni, Mupaka, Nkaga, Nom esingang, Nzungu, Wamba Regions of Distribution Africa Countries of Distribution  [VIEW MAP] Cameroon, Congo, Gabon Common Uses Flooring, Heavy construction, Joinery, Railroad ties Heartwood Color Red Brown Pink Green/grey Brown Sapwood Color White Yellow Pinkish Grain Even Interlocked Straight Straight Interlocked Texture Coarse Medium Fine Medium Fine to medium Luster Low Natural Durability Perishable Non-durable Susceptible to insect attack Non-resistant to powder post beetles Non-resistant to marine borers Non-resistant to termites Toxicity Some toxic effects Drying Defects Checking Slight end splitting Ease of Drying Fairly Easy Rapidly Kiln Drying Rate Naturally dries quickly Tree Identification Bole/stem form is buttressed Bole/stem form is straight Bole/stem form is cylindrical Tree Size Tree height is 20-30 m Tree height is 10-20 m Tree height is 0-10 m Tree height is 30-40 m Trunk diameter is 100-150 cm Blunting Effect Moderate Boring Fairly easy to very easy Cutting Resistance Easy to saw Cutting Resistance with green wood is difficult Cutting Resistance with dry wood is difficult Gluing Fairly Difficult to Very Difficult Fair to Good Results Fairly Easy to Very Easy Moulding Very Good to Excellent Results Fair to Good Results Nailing Fair to Good Results Fairly Easy to Very Easy Very Good to Excellent Results Planing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Easy to plane Resistance to Impregnation Resistant heartwood Permeable sapwood Resistant sapwood Response to Hand Tools Easy to Work Easy to machine Turning Fairly Easy to Very Easy Veneering Qualities Suitable for peeling Veneers easily Veneers moderately easy Difficult to veneer Suitable for slicing Polishing Fair to Good Results Very Good to Excellent Results Strength Properties Max. crushing strength = high Bending strength (MOR) = very high Numerical Data Item Green Dry English Bending Strength 20907 29271 psi Maximum Crushing Strength 6899 9945 psi Item Green Dry Metric Bending Strength 1469 2058 kg/cm2 References Hughes, J.F.,1971,The Principal Timber Trees of Cameroon,Unpublished data Lebacq, L., Dechamps, R.,1967,Contribution a un Inventaire de Forets du Nord-kasai,Musee Royal de L'Afrique Centrale Belgium Annals Series 8 No.5 Pieters, A.,1977,Essences Forestieres du Zaire,R.U.G. Gent Belguim Saint-Aubin, G. de,1963,La Foret du Gabon,CTFT Publ., No.21