Select Language:  

PENARAHAN (Myristica buchneriana)

Trade Name

Penarahan

Scientific Name

Myristica buchneriana Warb.

Family

MYRISTICACEAE

Common Names

Gaa gala (Indonesia); Madut (Papua New Guinea); Nogumur (Papua New Guinea); Ilis (Papua New Guinea)

Description Of The Tree

Botanical Description

It is a small to medium-sized tree up to 30 m tall.

Natural Habitat

Frequently found on ridge tops between 300 and 1,300 m, this tree is an important source of penarahan timber.

Wood Identification

Anatomic Description Of Wood

Tyloses common. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits large, 10 micras or more. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma bands more than 3 cells wide. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers with distinctly bordered pits.

Availability

Cites Status

Unrestricted

General Wood Description

Color

The heartwood is pale brown or brown to orange-brown and distinctly or indistinctly demarcated from the yellowish to pale brown sapwood.

COLOR INDEX (1=Black, 7=Light yellow,white)

5

Grain

The grain is straight to slightly interlocked.

Texture

The texture is moderately coarse.

Luster

The wood is more or less lustrous.

Natural Durability

The wood is susceptible to subterranean termite and fungal attack, and indoors it is liable to dry-wood termite and powder-post beetle attack.

Natural durability index (1= Very high durability, 7=Vey low durability)

5

Resistance To Impregnation

The heartwood is reported to be extremely resistant to impregnation but the sapwood is treatable.

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.39

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.42

Total shrinkage Tangential (Saturated to 0%MC) (%)

7.2

Total shrinkage Radial (Saturated to 0%MC) (%)

4.6

Drying Defects

Ease of Drying: Seasoning is generally easy and rapid with little degrade. Drying Defects: Bowing and twisting are reported. Kiln Schedules: Kiln drying is fairly rapid under moderate schedules.

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

1.6

Wood Chemical Properties

Wood Mechanical Properties

Bending Strength (MOR),12%MC (kgf/cm²)

734

Stiffness (MOE) 12%MC (kgf/cm²)

114587

Compression parallel to fiber 12%MC (kgf/cm²)

448

Shear strength radial 12%MC (kgf/cm²)

92

Janka hardness (side) 12%MC (kgf)

247

Workability

Sawing

Sawmilling of this species is reportedly easy.

Rotary Veneer Cutting

This timber is reported to be suitable for lamination.

Sliced Veneer

This timber is reported to be suitable for lamination.

Planing

Planing operations are rather easy.

Moulding

This species is easy to mold.

Boring

Boring operations are fair to difficult.

Mortising

It is easy to mortise.

Nailing

Nailing is reported as easy.

Gluing

Gluing of this species is easy.

Sanding

Wood of this species is easy to sand.

Finishing

Finishing gives smooth to moderately smooth surfaces.

REFERENCED USES

End Uses Summary

HOUSING GENERAL, flooring, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts, cigar boxes, shoes, matches, moldings

General Housing
  • 10 - Silica in Timbers
Flooring
  • 14 - Handbook of Hardwoods
Shutter Boards
  • 20 - Prospect: The wood database
Furniture Cabinets
  • 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
  • 25 - Directory of Timber Trade Malaysia
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.)
Cigar Box
  • 68 - Contribucion al conocimiento de la resistencia mecanica de la madera de peumo
Shoes
  • 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
Matches
  • 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
Molding
  • 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão

Please Provide Information To View Producer Information

* Or, continue as guest