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Bucha karam
Bucha karam (Anogeissus acuminata)

Family: Combretaceae

Common names: Bucha karam, Chakwa, Gara hesel, Ghor dhok, Hpunsha, Mai-ho, Mai-pi, Numma, Nunnera, Pachi manu, Panchi, Panchman, Pandri, Pansi, Pars, Parsia, Pashi, Pasi, Paunchinan, Phas, Phassi, Sehoong, Thekri napay, Yhordhok, Yon, Yung

Distributed in: Burma, India, Thailand, Vietnam (Oceania and S.E. Asia)

Distribution overview: Assam; Northern Myanmar; South China; Thailand; Peninsula Malaysia; Celebes; Ceram; Amboina; Bitchian; Sarawak; Philippines; Taiwan; Ryukyu, Indonesia; New Guinea; Singapore; Hong Kong; Hainan Island; Loas; East Paskitan

Common uses: Agricultural implements, Boat building (general), Cabinetmaking, Flooring: commercial heavy traffic, Fuelwood, Furniture, Handles: general, Heavy construction, Hockey sticks, Ladders, Light construction, Mine timbers, Railroad ties, Sporting Goods, Tool handles

Tree size: Tree height is 30-40 m

Colors: the heart isBrown, Dark brownand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureMedium

Natural durability: Perishable, Resistant to wood staining fungal attack

Kiln Schedules: UK=C US=T3C2/T3C1 Fr=3

Drying Defects: Moderate twist/warp, Splitting

Ease of Drying: Moderately Difficult to Difficult

Tree Identification: Bole/stem form is straight

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Resistance to Impregnation: Resistant sapwood

Resistance to Splitting: Poor



  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 865 kg/m3
Bending Strength 754 1173 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness 976 kg
Impact Strength 162 cm
Shearing Strength 155 kg/cm2
Stiffness 109 126 1000 kg/cm2
Tangential Shrinkage 7 %
Radial Shrinkage 3 %
Weight 849 689 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 10732 16695 psi
Density 54 lbs/ft3
Hardness 2152 lbs
Impact Strength 64 inches
Maximum Crushing Strength 6899 9945 psi
Shearing Strength 2205 psi
Stiffness 1563 1804 1000 psi
Weight 53 43 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 7 %
Volumetric Shrinkage 10 %

Density (dry weight) = 53-60 lbs/cu. ft
Shearing strength (parallel to grain) = medium
Max. crushing strength = high
Hardness (side grain) = hard
Modulus of Elasticity (stiffness) = medium
Bending strength (MOR) = medium
Toughness-Hammer drop (Impact Strength) = very high
Toughness-Hammer drop (Impact Strength) = high
Shrinkage, Volumetric = small
Shrinkage, Volumetric = fairly large
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Shrinkage, Tangential = fairly large
Shrinkage, Radial = very small
Shrinkage, Radial = small
Shrinkage, Radial = moderate
Modulus of Elasticity (stiffness) = low
Hardness (side grain) = medium
Density (dry weight) = 61-67 lbs/cu. ft
Density (dry weight) = 46-52 lbs/cu. ft.
Bending strength (MOR) = high

Das, N.R., et al,1965,Data on the Natural Durability of Timber Species,Journal of Timber Development Assoc. of India,11(2,pp6-12Forest Products Research Laboratory, U.K.,1955,Kiln-Drying Schedules,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research Establishment Leaflet,No.42Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. LondonKeating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1Negi, G.S., Bhatia, D.N.,1958,Physical and Mechanical Properties of Woods tested at F.R.I. Report No.10,Indian Forest Records (N.S.) Timber Mechanics,1(11,pp171-18Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 volsRamesh, Rao K., Juneja, K.B.S.,1971,Field Identification of Fifty Important timbers of India,Dehra Dun IndiaRamesh, Rao K., Purkayastha, S.K.,1972,Indian Woods - Their Identification Properties and Uses,Dehra Dun India,Vol. 3Sekhar, A.C.,1967,Some Indian Timbers Equivalent to Foreign Timbers,Van Vigyan 5(1&2,pp18-24Tewari, M.C., Jain, J.C.,1980,Utilization of Secondary Species,Journal of the National Building Organization 25(2) pp1-6
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