PHILIPPINE ROSEWOOD (Petersianthus quadrialatus)
Trade Name
Philippine rosewood
Scientific Name
Petersianthus quadrialatus (Merr.) Merr.
Family
LECYTHIDACEAE
Common Names
Philippine rosewood; Magtalisai (Philippines); Toog (Philippines); Kapullan (Philippines)
Scientific Name Synonyms
Combretodendron quadrialatum (Merr.) Knuth
Description Of The Tree
Botanical Description
It is a deciduous, medium-sized to fairly large tree up to 40 m tall. The bole is straight, cylindrical, branchless for 20 m, up to 100 cm in diameter. Occasionally with buttresses up to 2 m high.
Natural Habitat
Petersianthus quadrialatus grows scattered in primary rain forests at low to medium altitude on well drained soils, near river banks or hill sides.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Occasionally tyloses common. Vessels per mm2 5 to 20. Vessels per mm2 less than 6 (rare). 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 aliform. Axial parenchyma confluent. Siliceous bodies in the axial parenchyma cells. 3 to 4 cells per parenchyma strand. 5 to 8 cells per parenchyma strand. Occasionally axial parenchyma 4 to 10 rays per mm (medium). Ray height more than 1 mm. Larger rays more than 4 seriate. Silica bodies in the ray cells. Prismatic crystals in the ray 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.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is pale red turning reddish-brown, sharply demarcated from the pale sapwood.
Grain
The grain is mostly interlocked.
Texture
The texture varies from moderately fine to moderately coarse.
Natural Durability
The wood is durable for interior use and slightly durable when exposed to the weather or in contact with the ground.
Natural durability index (1= Very high durability, 7=Vey low durability)
6
Resistance To Impregnation
The heartwood is amenable to preservative treatment.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.61
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.67
Total shrinkage Tangential (Saturated to 0%MC) (%)
11.8
Total shrinkage Radial (Saturated to 0%MC) (%)
5.6
Drying Defects
Drying Defects: Slight cupping, bowing and end-checking may occur.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.1
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1243
Stiffness (MOE) 12%MC (kgf/cm²)
146226
Compression parallel to fiber 12%MC (kgf/cm²)
601
Compression perpendicular to fiber 12%MC (kgf/cm²)
102
Shear strength radial 12%MC (kgf/cm²)
168
Janka hardness (side) 12%MC (kgf)
848
Janka hardness (end grain) 12%MC (kgf)
1079
Workability
Rotary Veneer Cutting
This species yields face veneer.
Sliced Veneer
This species yields face veneer.
Machining
Machining of this species is fair to difficult.
Finishing
It gives a good finish.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, bridges, HOUSING GENERAL, beams, joists, panelling, PLYWOOD AND VENEER, faces, Decorative veneer, PACKING, pallets, CONTAINERS, truck bodies, truck flooring, OTHER AND MUSICAL INSTRUMENTS, paper
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Bridges
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Faces
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Pallets
- 48 - The strength properties of timbers
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Paper
- 82 - Compilation of Data on the Mechanical Properties of Foreign woods (Part 2) Central and South America.
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