< Back MALAYAN ASPEN (Exbucklandia populnea) Print Friendly View
MALAYAN ASPEN (Exbucklandia populnea)
Trade Name
Malayan aspen
Scientific Name
Exbucklandia populnea (R. Br.) R. W. Brown
Family
HAMAMELIDACEAE
Common Names
Gerok (Malaysia); Malayan aspen; Mooc huw owng (Vietnam); Tiga sagi (Malaysia); Derok (Malaysia); Tapatapa leman (Indonesia); Sigadaungdueng (Indonesia); Hapas-hapas (Indonesia); Pho sam hang (Thailand)
Scientific Name Synonyms
Symingtonia populnea (R. Br.) Steenis; Bucklandia populnea R. Br.; Bucklandia populifolia Hook. f. & Thomson; Aeschynanthus esquirolii H. Lév.
Description Of The Tree
Botanical Description
It is an evergreen medium-sized tree up to 36 m tall. The bole is branchless for up to 24 m, up to 110 cm in diameter, not buttressed.
Natural Habitat
Exbucklandia populnea is common in evergreen, disturbed or secondary hill to montane rainforests, in a range from 1,000 m to 3,000 m of altitude.
Wood Identification
Anatomic Description Of Wood
Tyloses common. Vestured pits. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Paratracheal axial parenchyma scanty and/or vasicentric. 3 to 4 cells per parenchyma strand. Axial parenchyma bands more than 3 cells wide. Rays more than 10 per mm (abundant). Ray height more than 1 mm. All ray cells upright and/or square. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is deep red-brown with a purplish tinge, not clearly differentiated from the paler sapwood.
Grain
The grain is shallowly to broadly interlocked.
Texture
The wood is frequently reported to be fine textured.
Luster
Planed surfaces is lustrous.
Natural Durability
It is slightly to moderately durable.
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)
0.57
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.63
Total shrinkage Tangential (Saturated to 0%MC) (%)
9.0
Total shrinkage Radial (Saturated to 0%MC) (%)
5.6
Drying Defects
Ease of Drying: Air drying is rapid and easy without defects. Boards of 13 mm and 38 mm thick take respectively 1.5 to 2 months and 3 to 4 months to air dry. Kiln Schedules: Kiln drying properties are reported to be good.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.6
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
971
Stiffness (MOE) 12%MC (kgf/cm²)
127093
Compression parallel to fiber 12%MC (kgf/cm²)
525
Janka hardness (side) 12%MC (kgf)
513
Workability
Sawing
Cutting behavior is reported to be easy to fair.
Rotary Veneer Cutting
The wood is easy to peel and yields a good-quality veneer.
Sliced Veneer
The wood is easy to peel and yields a good-quality veneer.
Planing
Planing operations are rather easy.
Turning
30
Finishing
Finishing of this species is reportedly good. It takes a high polish.
Polishing
Polishing of this species is reportedly easy.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, boards, flooring, frames, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, BENDING, TOOLS, agricultural tools, PACKING, CONTAINERS, truck bodies, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, handicrafts
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
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Turning
- 30 - Embassy of Honduras in Japan
Bending
- 35 - Embassy of Myanmar in Japan
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Truck Body
- 53 - Timbers of the New World
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Please Provide Information To View Producer Information