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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.

  • Wood Macro Photo Radial Plane
  • Wood Micro Photo Of Transversal Section

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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