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TENANGAU (Prunus arborea)
Trade Name
Tenangau
Scientific Name
Prunus arborea (Blume) Kalkman
Family
ROSACEAE
Common Names
Currant laurel; Moyang (Indonesia); Merubik (Sarawak); Kabung (Philippines); Taeng chang (Thailand)
Scientific Name Synonyms
Pygeum stipulaceum King; Pygeum parviflorum Teijsm. & Binnend; Pygeum arboreum (Blume) Blume
Description Of The Tree
Botanical Description
It is a small to fairly large tree, up to 35 m tall. The bole is crooked or straight and cylindrical, branchless for up to 15 m, with diameters of 100 cm. Occasionally, small buttresses are reported.
Natural Habitat
Prunus species are found in primary and secondary lowland to montane forests, up to 3,700 m of altitude.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Occasionally vessels with colored deposits. Vessels per mm2 5 to 20. Vessels per mm2 more than 20 (very abundant). Occasionally helical thickenings in vessel elements present. Simple perforation plates. Vessel-ray pits similar to intervesse Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally axial parenchyma aliform. 3 to 4 cells per parenchyma strand. 5 to 8 cells per parenchyma strand. Larger rays more than 4 seriate. Occasionally body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Body ray cells p Fibers very thin walled. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is pink-brown to red-brown, not sharply demarcated from the paler sapwood.
Grain
The grain is wavy to deeply interlocked, sometimes straight.
Texture
The texture varies from the moderately fine to moderately coarse.
Luster
Luster is reported to be moderate.
Natural Durability
It is reported to be non-durable to moderately durable. The heartwood can be attacked by termites.
Natural durability index (1= Very high durability, 7=Vey low durability)
6
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.54
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.59
Total shrinkage Tangential (Saturated to 0%MC) (%)
9.2
Total shrinkage Radial (Saturated to 0%MC) (%)
3.4
Drying Defects
Ease of Drying: Drying is rather slow and sometimes difficult to perform. Drying Defects: Risks of checks and distortions. Kiln Schedules: The kiln schedule has been tested.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.7
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
752
Stiffness (MOE) 12%MC (kgf/cm²)
97500
Compression parallel to fiber 12%MC (kgf/cm²)
484
Workability
Rotary Veneer Cutting
This timber is reported to be suitable for lamination.
Sliced Veneer
This timber is reported to be suitable for lamination.
Machining
Wood processing is reported to be easy to fair.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, OTHER AND MUSICAL INSTRUMENTS, moldings
General Housing
- 10 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
- 24 - Empire Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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