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MANILTOA (Maniltoa psilogyne)
Trade Name
Maniltoa
Scientific Name
Maniltoa psilogyne Harms
Family
LEGUMINOSAE
Common Names
Maniltoa (Papua New Guinea)
Description Of The Tree
Botanical Description
Maniltoa includes small to large trees, up to 40 m tall. The bole is usually branchless for up to 19 m, with diameters of 90 cm. Buttresses up to 2 m high are sometimes present.
Natural Habitat
Maniltoa trees are reported in primary lowland forests up to 500 m of altitude, often in swampy locations.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels in diagonal and/or radial pattern. Vessels exclusively solitary (over 90%). Occasionally vessels of two distinct diameter classes, wood not ring-porous. Tangential diameter of vessel lumina 200 micras or more (large). Vessels per m Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally siliceous bodies in the axial parenchyma. 5 to 8 cells per parenchyma strand. Over 9 cells per parenchyma str Rays more than 10 per mm (abundant). Occasionally rays exclusively uniseriate. Silica bodies in the ray cells. 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 varies from brown to red-brown, sometimes with golden luster, distinct but becoming indistinct form the straw-colored or yellow-white sapwood.
Grain
The grain is straight or slightly interlocked.
Texture
The texture varies from moderately fine to moderately coarse.
Luster
This species is reported to have a golden luster.
Natural Durability
The wood is moderately durable, but not suitable for use in contact with the ground.
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Resistance To Impregnation
The heartwood is resistant to pressure impregnation.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.65
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.73
Total shrinkage Tangential (Saturated to 0%MC) (%)
12.6
Total shrinkage Radial (Saturated to 0%MC) (%)
3.6
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
3.5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1325
Stiffness (MOE) 12%MC (kgf/cm²)
167160
Compression parallel to fiber 12%MC (kgf/cm²)
673
Shear strength radial 12%MC (kgf/cm²)
144
Janka hardness (side) 12%MC (kgf)
671
Workability
Turning
30
REFERENCED USES
End Uses Summary
HOUSING GENERAL, flooring, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, TOOLS, tool handles, CONTAINERS, truck bodies, truck flooring
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
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
Turning
- 30 - Embassy of Honduras in Japan
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
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