< Back PENARAHAN (Myristica iners) Print Friendly View
PENARAHAN (Myristica iners)
Trade Name
Penarahan
Scientific Name
Myristica iners Blume
Family
MYRISTICACEAE
Common Names
Kayu luo (Indonesia); Chan daeng (Thailand); Penarahan arang (Malaysia)
Scientific Name Synonyms
Myristica vordermanii Warb; Myristica heritieriifolia Pierre ex Lecomte
Description Of The Tree
Botanical Description
It is medium-sized to large tree up to 45 m tall. The bole is cylindrical, up to 100 cm in diameter, sometimes with stilt roots.
Natural Habitat
Myristica iners is common in evergreen rain forests.
Wood Identification
Anatomic Description Of Wood
Tyloses common. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Reticulate, foraminate and/or other types of multiple perforation plates. Simple perforation plates. Multiple perforation plates. Intervessel pits medium, 7 to 10 micras. Paratracheal axial parenchyma scanty and/or vasicentric. 5 to 8 cells per parenchyma strand. Axial parenchyma in narrow bands on lines up to 3 cells wide. 4 to 10 rays per mm (medium). Ray height more than 1 mm. 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 one row of upright and/or square marginal cells (K Fibers with simple to minutely bordered pits. Fibers very thin walled.
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 typically moderately coarse.
Luster
The wood is more or less lustrous.
Natural Durability
The wood is susceptible to subterranean termite and fungal attack, 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 sapwood is reported as easy to preserve.
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) (%)
7.2
Total shrinkage Radial (Saturated to 0%MC) (%)
1.5
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 %)
4.8
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
723
Stiffness (MOE) 12%MC (kgf/cm²)
85902
Compression parallel to fiber 12%MC (kgf/cm²)
428
Janka hardness (side) 12%MC (kgf)
319
Janka hardness (end grain) 12%MC (kgf)
425
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.
Planing
This species is easy to plane.
Moulding
Molding operations are rather easy.
Boring
Boring is reported to be fair to difficult.
Mortising
Mortising is reported to be easy.
Nailing
This species is reported to have a good nailing behavior.
Gluing
It has a good behavior in gluing.
Sanding
Sanding of this wood is easy.
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