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MEDANG (Litsea irianensis)
Trade Name
Medang
Scientific Name
Litsea irianensis Kosterm.
Family
LAURACEAE
Common Names
Medang
Scientific Name Synonyms
Dehaasia novoguineensis Kosterm.
Description Of The Tree
Botanical Description
It is a small to medium-sized tree up to 26 m tall. The bole is up to 60 cm in diameter.
Natural Habitat
Litsea irianensis is found in secondary forests, up to 1,200 m of altitude.
Wood Identification
Anatomic Description Of Wood
Vessels per mm2 5 to 20. Wood diffuse porous. Tyloses common. Tangential diameter of vessel lumina 100 to 200 micras. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Axial parenchyma confluent. 5 to 8 cells per parenchyma strand. Ray width 1 to 3 cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits. Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
It is reported to have a characteristic odor.
Color
The heartwood usually ranges from pale olive-brown or creamy yellow to dark greenish-brown. The sapwood is often not distinctly demarcated from the heartwood.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
The grain is straight or slightly to moderately interlocked.
Texture
The texture is typically moderately fine and even.
Natural Durability
The wood is generally not durable and it is susceptible to fungal and Lyctus attack.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
The sapwood is easy to preserve with water soluble products, the heartwood is untreatable.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.51
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.55
Total shrinkage Tangential (Saturated to 0%MC) (%)
7.8
Total shrinkage Radial (Saturated to 0%MC) (%)
4.3
Recommended Dry Kiln Schedule
UK-H; JP-28
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.8
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
790
Stiffness (MOE) 12%MC (kgf/cm²)
112854
Workability
Sawing
Sawmilling of this species is reportedly easy to slightly difficult.
Planing
It is easy to plane.
Nailing
It is easy to nail.
Finishing
Finishing of this wood is rated as good to fair.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, boards, panelling, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, TOOLS, tool handles, agricultural tools, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts
General Housing
- 10 - Silica in Timbers
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
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
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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