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Dundu
Dundu (Macaranga kilimandsharica)

Family: Euphorbiaceae

Common names: Dundu, Ehaaw, Erwa, Kaptebema, Kiarawe, Kibgetoyoa, Legumeta, Logomaita, Luwessu, Mbawa, Mfirifiriwa kyagga, Mhaha, Mkumba, Mpalala, Mudwess, Muhaa, Muhaha murah, Muhoti, Muhunga, Mukaho, Mukarariki, Mukuhakula, Musebe, Muwebe, Omubarshasha, Omuburashasha, Omurara, Omusasa, Omushusha, Sebe sebet

Distributed in: Kenya, Tanzania, Uganda (Africa)

Common uses: Agricultural implements, Boxes and crates, Cabinetmaking, Fuelwood, Furniture, Joinery, Light construction, Matches, Particleboard, Piling, Plywood corestock, Pulp/Paper products

Tree size: Tree height is 10-20 m

Colors: the heart isRed, Yellowand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureMedium

Natural durability: Susceptible to insect attack, Susceptible to marine borer attack

Drying Defects: Distortion, Moderate end spitting

Tree Identification: Bole/stem form is straight

Cutting Resistance: Cutting Resistance with green wood is difficult

Gluing: Easy to glue

Moulding: Good finishing

Movement in Service: Good finishing

Nailing: Holds nails well, Pre-Boring Recommended

Planing: Planes well, to a good finish

Resistance to Impregnation: Sapwood is permeable

Response to hand tools: Fairly Difficult to Difficult to Work

Veneering qualities: Veneers easily, Veneers moderately easy


Painting: Very Good to Excellent; Varnishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 464 kg/m3
Bending Strength 429 674 kg/cm2
Crushing Strength 275 449 kg/cm2
Hardness 407 kg
Impact Strength cm
Shearing Strength 85 kg/cm2
Stiffness 94 109 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 448 400 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 6111 9589 psi
Density 29 lbs/ft3
Hardness 898 lbs
Maximum Crushing Strength 3916 6397 psi
Shearing Strength 1221 psi
Stiffness 1341 1560 1000 psi
Weight 28 25 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 7 %

Density (dry weight) = 31-37 lbs/cu. ft. 0
Density (dry weight) = 23-30 lbs/cu. ft. 0
Bending strength (MOR) = low 0
Max. crushing strength = medium
Shrinkage, Radial = small
Modulus of Elasticity (stiffness) = very low
Modulus of Elasticity (stiffness) = medium
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Shrinkage, Tangential = fairly large
Shearing strength (parallel to grain) = very low
Shearing strength (parallel to grain) = low
Hardness (side grain) = very soft
Hardness (side grain) = soft

Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchDale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards LondonEggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaFrance - C.T.F.T./C.T.B.,1982,Guide pour le Choix des Essences Deroulables-pour la fabrication du,contreplaque,C.T.F.T./C.T.B. FranceKenya Forest Department,1941,Strengths of Kenya timbers,Kenya Forest Department Bulletin No. 36Murira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Pardy, A.A.,1954,Notes on Indigenous Trees and Shrubs in Southern Rhodesia - Sterculia,quinqueloba,Ministry of Agriculture and Lands S.Rhodesia Bulletin No. 1764Patterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23Tack, C.H.,1958,The Strength Properties of some Uganda Timbers,Uganda Forest Department Bulletin No. 5Tack, C.H.,1969,Uganda Timbers,Govt. Printer UgandaTakahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Tanzania Forest Department,1960,The Natural Durability of Local Timbers,Tanzanian Forest Dept. Tech. Note,No.14Uganda Forest Department,1954,The Mechanical Properties of some Ugandan Timbers,Uganda Forest Department Timber Leaflet,No.1Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
*Come interpretare i dati (manleva su eventuali imprecisioni)