WAU BEECH (Elmerrillia tsiampacca)
Trade Name
Wau beech
Scientific Name
Elmerrillia tsiampacca (L.) Dandy
Family
MAGNOLIACEAE
Common Names
Minjaran (Indonesia); Arimot (Indonesia); Wau beech (Papua New Guinea); Wasian (Indonesia); Cempaka hutan halus (Indonesia); Chempaka bulu (Malaysia)
Scientific Name Synonyms
Elmerrillia sericea C.T. White; Elmerrillia papuana (Schlechter) Dandy; Elmerrillia celebica (Koord.) Dandy
Description Of The Tree
Botanical Description
It is a medium-sized to very large tree up to 60 m tall. The bole is straight or somewhat crooked, branchless for up to 20 m, up to 200 cm in diameter, sometimes with low buttresses.
Natural Habitat
Elmerrillia tsiampacca is a gregarious tree in lowland to montane forests, growing up to 1,800 m of altitude.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Tangential diameter of vessel lumina 200 micras or more (large). Colored deposits in heartwood vessels. Tyloses common. Vessels per mm2 5 to 20. Intervessel pits scalariform. Vessel-ray pits reticulate and/or foraminate. Axial parenchyma in marginal or in seemingly marginal bands. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Larger rays more than 4 seriate. Oil and/or mucilage cells associated with the axial and/or ray parenchyma (idioblasts). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers very thin walled. Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood has a persistent spicy odor.
Color
The heartwood is pale brown or pale yellowish-brown to golden-brown, often with greenish tinge, darkening on exposure, generally clearly defined from the straw-colored or whitish sapwood.
Grain
This species is reported to have straight to slightly interlocked grain.
Texture
The texture can be moderately fine to moderately coarse.
Luster
The wood has a distinct fine luster.
Natural Durability
The wood is classified as durable, even when used in contact with the ground under tropical conditions.
Natural durability index (1= Very high durability, 7=Vey low durability)
2
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.40
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.43
Total shrinkage Tangential (Saturated to 0%MC) (%)
6.7
Total shrinkage Radial (Saturated to 0%MC) (%)
3.7
Drying Defects
Ease of Drying: It is reported that boards of 13 mm and 38 mm thick took respectively 3.5 to 4 months and 5 to 6 months to air dry. Drying Defects: Slight risk of bowing, twisting or end-checking.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.8
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
815
Stiffness (MOE) 12%MC (kgf/cm²)
99862
Compression parallel to fiber 12%MC (kgf/cm²)
469
Shear strength radial 12%MC (kgf/cm²)
112
Janka hardness (side) 12%MC (kgf)
308
Workability
Sawing
Sawing of this species is reported to be rather easy.
Rotary Veneer Cutting
This timber is reported to be suitable for lamination.
Sliced Veneer
This timber is reported to be suitable for lamination.
Machining
This species is easy to machine.
Nailing
It is easy to nail.
Gluing
It is reported to glue well.
Finishing
Wood of this species is easy to finish.
Coatings
Wood of this species is easy to paint or varnish.
Polishing
Wood of this species is easy to polish.
Steam Bending
This species is reported to have a good to moderate response to steam bending.
Response To Hand Tools
The wood responds well to hand tools.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, boards, frames, panelling, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, SPORTS, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, handicrafts, pencil, coffin, moldings
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Frames
- 16 - Woods of the World
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
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
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boat Decking
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Other & Musical Instruments
- 63 - Madeiras do Brazil II
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Pencils
- 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis
Coffin
- 78 - Amazonian Timbers for the International Market
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Please Provide Information To View Producer Information