| Scientific
Name Combretum binderianum Trade Name Asenuet Family Name Combretaceae |
|
Synonyms
Combretum collinum, Combretum elaeagnifolium, Combretum fischeri, Combretum populifolium
Common Names
Asenuet, Boza, Domapowa, Fara geza, Mufitikarenje, Mukora, Mula, Muramba, Muruka, Odugu, Okecu, Sheraha, Shitao, Umkhosikazi, Variable combretum
Regions of Distribution
| Even | ||||||||||||
| Straight |
Cameroon
Ghana
Nigeria
Sudan
Common Uses
Agricultural implements, Cabinetmaking, Carvings, Flooring, Furniture, Heavy construction, Mine timbers, Poles, Posts, Tool handles, Toys, Turnery, Vehicle parts, Veneer
Heartwood Color
| Red | ||||||||||||
| Brown | ||||||||||||
| Yellow | ||||||||||||
| Pink | ||||||||||||
| Orange | ||||||||||||
| Reddish brown | ||||||||||||
| Pale red to pink | ||||||||||||
| Black |
Sapwood Color
| Red | ||||||||||||
| Brown | ||||||||||||
| Yellow | ||||||||||||
| Different than heartwood |
Grain
| Straight | ||||||||||||
| Closed | ||||||||||||
| Birds-eye (figure) | ||||||||||||
| Even | ||||||||||||
| Wavy | ||||||||||||
| Interlocked | ||||||||||||
| Figure | ||||||||||||
| Weak (figure) |
Texture
| Fine | ||||||||||||
| Medium | ||||||||||||
| Medium |
Luster
| Medium | ||||||||||||
| Low |
Natural Durability
| Durable | ||||||||||||
| Moderately durable | ||||||||||||
| Resistant to attack from termites (Isoptera) |
Kiln Schedules
| Dry at a slow speed |
Drying Defects
| Moderate twist/warp | ||||||||||||
| Moderate end spitting |
Tree Size
| Bole length is 0-10 m | ||||||||||||
| Tree height is 10-20 m | ||||||||||||
| Tree height is 30-40 m | ||||||||||||
| Trunk diameter is 100-150 cm |
Cutting Resistance
| Cutting Resistance with dry wood is difficult |
Gluing
| Easy to glue |
Nailing
| Possible if prebored | ||||||||||||
| Holds nails well |
Resistance to Impregnation
| Resistant sapwood | ||||||||||||
| Resistant heartwood | ||||||||||||
| Heartwood is resistant |
Resistance to Splitting
| Poor |
Response to Hand Tools
| Easy to Work | ||||||||||||
| Difficult to machine |
Varnishing
| Good results |
Strength Properties
| Shearing strength (parallel to grain) = medium | ||||||||||||
| Modulus of Elasticity (stiffness) = very low | ||||||||||||
| Max. crushing strength = medium | ||||||||||||
| Density (dry weight) = 61-67 lbs/cu. ft | ||||||||||||
| Density (dry weight) = 53-60 lbs/cu. ft | ||||||||||||
| Bending strength (MOR) = low |
Numerical Data
| Item | Green | Dry | English |
| Bending Strength | 6111 | 9589 | psi |
| Density | 58 | lbs/ft3 | |
| Maximum Crushing Strength | 3916 | 6397 | psi |
| Shearing Strength | 2205 | psi | |
| Stiffness | 1017 | 1199 | 1000 psi |
| Weight | 57 | 46 | lbs/ft3 |
| Item | Green | Dry | Metric |
| Bending Strength | 429 | 674 | kg/cm2 |
| Density | 929 | kg/m3 | |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Shearing Strength | 155 | kg/cm2 | |
| Stiffness | 71 | 84 | 1000 kg/cm2 |
References
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.48
Dale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards London
Eggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe Uganda
Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9
Irvine, F.R.,1961,Woody Plants of Ghana,O.U.P. London
Keay, R.W.J., et al,1960,Nigerian Trees Vol.1,Nigeria Federal Department of Forest Research, Ibadan