MAKO (Trichospermum richii)
Trade Name
Mako
Scientific Name
Trichospermum richii (A. Gray) Seem.
Family
TILIACEAE
Common Names
Mako (Fiji)
Scientific Name Synonyms
Diclidocarpus richii A. Gray
Description Of The Tree
Botanical Description
It is a small or rarely medium-sized trees up to 25 m tall. The bole is branchless for up to 18 m, up to 50 cm in diameter.
Natural Habitat
Trichospermum richii is a pioneer species found scattered in primary and secondary forests, up to 700 m of altitude.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels exclusively solitary (over 90%). Vessels per mm2 5 to 20. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits small, 7 micras or less. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally paratracheal axial parenchyma scanty and/or vasicentric. Occasionally axial parenchyma aliform. Prismatic crystals in non- Rays more than 10 per mm (abundant). Prismatic crystals in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers very thick walled. Fibers with distinctly bordered pits.
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Wood Macro Photo Radial Plane
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Wood Micro Photo Of Transversal Section
Availability
Cites Status
Unrestricted
General Wood Description
Color
The sapwood is straw to pale brown. The heartwood is pale pink to pale reddish-brown.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
The grain is straight, occasionally slightly to heavily interlocked, sometimes spiral grain is reported.
Texture
This wood has a moderately fine texture.
Luster
This wood is commonly lustrous.
Natural Durability
Both sapwood and heartwood are liable to blue-stain, termites, pinhole and marine borer attack.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.37
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.39
Total shrinkage Tangential (Saturated to 0%MC) (%)
10.1
Total shrinkage Radial (Saturated to 0%MC) (%)
2.3
Drying Defects
Ease of Drying: Drying is moderately easy; some particular care is needed. Drying Defects: Risks of distortions. Kiln Schedules: The kiln schedule has been tested.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
4.3
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
510
Stiffness (MOE) 12%MC (kgf/cm²)
75253
Compression parallel to fiber 12%MC (kgf/cm²)
265
Shear strength radial 12%MC (kgf/cm²)
66
Janka hardness (side) 12%MC (kgf)
172
Janka hardness (end grain) 12%MC (kgf)
302
Workability
Sawing
It is easy to cut, but occasionally fibrous surfaces are reported after sawing.
Rotary Veneer Cutting
Lamination of this species is possible.
Sliced Veneer
Lamination of this species is possible.
Machining
It works fairly well but fibrous surfaces are reported when spiral grain is present.
Boring
Boring operations produce torn fibers.
Finishing
Finishing is even but fibrous.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, SPORTS, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts, shoes, paper
General Housing
- 10 - Silica in Timbers
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
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.)
Shoes
- 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
Paper
- 82 - Compilation of Data on the Mechanical Properties of Foreign woods (Part 2) Central and South America.
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