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COACHWOOD (Ceratopetalum succirubrum)
Trade Name
Coachwood
Scientific Name
Ceratopetalum succirubrum C.T. White
Family
CUNONIACEAE
Common Names
Blood-in-the bark; Satin sycamore; Coachwood (Papua New Guinea)
Scientific Name Synonyms
Ceratopetalum tetrapterum Mattf.
Description Of The Tree
Botanical Description
It is a small to medium-sized tree up to 35 m tall. The bole is straight, cylindrical, branchless for up to 27 m, up to 100 cm in diameter, with small buttresses.
Natural Habitat
In Papua New Guinea populations are mainly confined to Western Province, where they are scattered in primary rain forest or monsoon forest.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Tangential diameter of vessel lumina 100 micras or less (very small). Vessels per mm2 5 to 20. Vessels per mm2 more than 20 (very abundant). Intervessel pits scalariform. Simple perforation plates. Multiple perforation plates. Vessel-ray pit Occasionally axial parenchyma in marginal or in seemingly marginal bands. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchyma strand. Over 9 cells per parenchyma strand. Axial parenchyma in narrow bands on line 4 to 10 rays per mm (medium). Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Occasionally body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Occasionally body ray cells pro Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood has a caramel-like odor.
Color
The heartwood is pale to dark pinkish-brown, not clearly differentiated from the straw or pale brown sapwood.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
The grain is straight to slightly interlocked.
Texture
The wood is frequently reported to be fine textured.
Luster
The wood presents a characteristic figure due to the presence of parenchyma bands.
Natural Durability
It is perishable and prone to decay and insect damage.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
This wood is moderately permeable to preservatives.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.64
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.71
Total shrinkage Tangential (Saturated to 0%MC) (%)
5.0
Total shrinkage Radial (Saturated to 0%MC) (%)
3.0
Drying Defects
Ease of Drying: Air seasoning is reported to be rapid. It takes about 3 months to dry 4 cm thick boards to air-dry condition. Drying Defects: Some risk of warping and surface checking is reported. Kiln Schedules: Schedule recommended for Mengkulang. A temperature of 57 to 77 degrees and a corresponding relative humidity of 80% to 40% are recommended.
Recommended Dry Kiln Schedule
UK-E
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.7
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1090
Stiffness (MOE) 12%MC (kgf/cm²)
132164
Compression parallel to fiber 12%MC (kgf/cm²)
560
Shear strength radial 12%MC (kgf/cm²)
148
Janka hardness (end grain) 12%MC (kgf)
481
Workability
Rotary Veneer Cutting
This species is reported to give very good results in peeling, both for cores and faces.
Sliced Veneer
This species is reported to give very good results in peeling, both for cores and faces.
Turning
30
REFERENCED USES
End Uses Summary
HOUSING GENERAL, flooring, frames, panelling, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, faces, cores, TURNING, SPORTS, TOOLS, tool handles, PACKING, NAVAL CONSTRUCTION, boats, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
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
Faces
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Cores
- 27 - Embassy of Brazil in Japan
Turning
- 30 - Embassy of Honduras in Japan
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Other & Musical Instruments
- 63 - Madeiras do Brazil II
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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