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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. Common Names Common Uses Countries of Distribution Family Name Grain Heartwood Color Light-Induced Color Change Luster Natural Durability Numerical Data References Regions of Distribution Response to Hand Tools Sapwood Color Scientific Name Strength Properties Synonyms Texture Trade Name Tree Size Scientific Name Ehretia acuminata Trade Name Arjun Family Name Boraginaceae Synonyms Ehretia serrata Common Names Arjun, Australian silky ash, Brown cedar, Bual, Chillay, Churnwood, Kala-aja, Kalthanu, Koda, Kurkuria, Nalshuna, Narra, Pandayan, Panden, Punjlaurai, Punna, Punya, Punyan, Puran, Shaursi, Silky ash Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Australia, Bhutan, Burma, India, Japan, Philippines Common Uses Agricultural implements, Cabinetmaking, Flooring, Furniture, Heavy construction, Joinery, Light construction Heartwood Color Yellow Red Brown Orange Pale brown Yellow to golden-yellow to orange White to cream Sapwood Color White to yellow Same as heartwood Grain Figure Interlocked Distinct (figure) Interlocked Distinct figure Texture Coarse Medium Coarse Luster Medium Natural Durability Perishable Non-durable Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Light-Induced Color Change Darker Tree Size Tree height is 0-10 m Tree height is 10-20 m Response to Hand Tools Easy to Work Easy to machine Strength Properties Density (dry weight) = 38-45 lbs/cu. ft. Numerical Data Item Green Dry English Density 40 lbs/ft3 Weight 39 31 lbs/ft3 Item Green Dry Metric Density 641 kg/m3 References Audas, J.W.,Native Trees of Australia,Whitcombe & Tombs PTY. Ltd Cause, M.L.; Rudder, E.J. and Kynaston, W.T.,1989,Queensland Timbers Their Nomenclature, Density, and Lyctid Susceptability,Queensland Department of Forestry, Technical Pamplet No.2 Desch, H.E.,1948,The Ashes,Wood 13 (10) pp285-7 Francis, W.D.,1951,Australian Rain-forest Trees,Commonwealth of Australia - Forestry and Timber Bureau Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. London