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Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Natural Durability
Numerical Data
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Turning
Varnishing

Scientific Name
Hymenodictyon excelsum

Trade Name
Aligango

Family Name
Rubiaceae

Synonyms
Cinchona excelsa, Cinchona thyrsiflora, Hymenodictyon thyrsiflorum


Wood Image 1

Common Names
Aligango, Bandara, Barthoa, Bartu, Bauranga, Bhamina, Bhaulan, Bhawarmal, Bhawasar, Bhohar, Bhorkond, Bhorkoru, Bhorsal, Bhurkul, Biharuk, Blalena, Bodoka, Burja, Burker, Burkunda, Chetippa, Dadhippa, Dhauli, Doncelo, Dondru, Dudi-yetta, Dumsa-gyaw, Itthilei, Kakurkat, Karar, Kedah, Khusan, Khutan, Konsa, Kukurkat, Kuthan, Lamkana, Lunia, Mahuwa, Mai-sonpu, Malam kall, Medang keladi, Monnabillu, Nichan kadambu, Peran tholi, Peranjoli, Peruntholi, Phaldu, Potur, Purgur, Sagapur, Sali, U-lok, Vella-kadambu, Yetta

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Bangladesh, Burma, India, Indonesia, Malaysia, Philippines, Thailand

Common Uses
Artificial limbs, Boxes and crates, Brush backs & handles, Cabinetmaking, Cooperages, Furniture, Matches, Mathematical instruments, Musical instruments: percussion, Pencil, Textile equipment, Toys

Heartwood Color
Yellow to golden-yellow to orange
White to cream
Pale brown
Greenish to greyish


Sapwood Color
Same as heartwood


Grain
Straight
Even

Straight


Texture
Medium
Fine
Medium to coarse
Medium
Fine
Fine to medium


Luster
Lustrous


Natural Durability
Durable
Moderately durable
Susceptible to insect attack
Resistant to powder post beetles
Non durable
Perishable
Moderately durable


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


Drying Defects
Slight twist/warp
Slight surface checking
Slight cupping
Severe surface checking
No surface checking


Ease of Drying
Easy


Kiln Drying Rate
Fairly rapid (11-17 days for boards under 32 mm, to 31-51 days for boards greater than 63 mm)


Tree Identification
Bole/stem form is straight
Bole/stem form is cylindrical


Tree Size
Tree height is 20-30 m
Tree height is 30-40 m


Comments
General finishing qualities are rated as satisfactory

Cutting Resistance
Cutting Resistance with green wood is easy
Cutting Resistance with dry wood is easy


Resistance to Impregnation
Heartwood is permeable
Heartwood is moderately resistant


Response to Hand Tools
Easy to machine


Turning
Easy to turn
Good results


Varnishing
Satisfactory


Strength Properties
Density (dry weight) = 31-37 lbs/cu. ft.
Modulus of Elasticity (stiffness) = very low
Density (dry weight) = 23-30 lbs/cu. ft.
Toughness-Hammer drop (Impact Strength) = very low
Max. crushing strength = low
Max. crushing strength (stiffness) = very low
Bending strength (MOR) = very low
Bending strength (MOR) = low


Numerical Data
ItemGreenDryEnglish
Bending Strength43106606psi
Density29lbs/ft3
Impact Strength15inches
Maximum Crushing Strength14322675psi
Stiffness101711991000 psi
Weight2825lbs/ft3
ItemGreenDryMetric
Bending Strength303464kg/cm2
Density464kg/m3
Impact Strength38cm
Maximum Crushing Strength100188kg/cm2
Stiffness71841000 kg/cm2

References
Bourdillon, T.F.,1908,The Forest Trees of Travancore,Travancore Government Press

Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15

Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. London

Highley, T.L., Scheffer, T.C.,1970,Natural Decay Resistance of 30 Peruvian Woods,U.S.A. Agriculture Department, Forest Service, Forest Products Laboratory,,Madison Research Paper,No.143

Nazma,1981,A handbook of Kerala Timbers,Kerala Forest Research Institute Research Report, No.9

Ng, F.S.P. (Ed,1989,Tree Flora of Malaya A Manual for Foresters Volume 4,Forest Research Institute Malaysia Ministry of Primary Industries

Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 vols

Reyes, L.J.,1938,Philippine Woods,Commonwealth of the Philippines Department of Agriculture and Commerce,Technical Bulletin,No.7

Sharma, S.N., et al,1960,Experiments on the High Temperature Drying of some Indian Timbers,Indian Forest Bulletin (N.S.,No.230