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AGUANO MASHA (Machaerium inundatum)
Trade Name
Aguano Masha
Scientific Name
Machaerium inundatum (Mart. ex Benth.) Ducke
Family
LEGUMINOSAE
Common Names
Urapu (Venezuela); Aguano Masha (Peru)
Scientific Name Synonyms
Drepanocarpus inundatus Mart. ex Benth.
Description Of The Tree
Botanical Description
Large trees, reaching heights of up to 35 m, with trunk diameters of up to 120 cm. The boles are cylindrical and straight, with medium or small sized thick buttresses. It exudes a red sticky latex from the bark. This species is reported to be abundant in
Natural Habitat
Machaerium inundatum is found in the primary forests of Amazon region.
Natural Distribution
In Peru, M. inundatum is relatively abundant in, the departments of Huánuco, Loreto, Ucayali and Madre de Dios.
Wood Identification
Anatomic Description Of Wood
Colored deposits in heartwood vessels. Axial parenchyma aliform. Axial parenchyma confluent. Rays more than 10 per mm (abundant). Rays storied. Rays exclusively uniseriate.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood has no specific odor or taste.
Color
The sapwood is differentiated, it is pale yellow, the heartwood is brown color.
COLOR INDEX (1=Black, 7=Light yellow,white)
3
Grain
The grain is usually interlocked.
Texture
This species is usually reported to have a fine texture.
Luster
This species is moderate in luster.
Natural Durability
This species is considered to be durable, but the sapwood is susceptible to staining fungi attack.
Natural durability index (1= Very high durability, 7=Vey low durability)
1
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.73
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.82
Total shrinkage Tangential (Saturated to 0%MC) (%)
4.9
Total shrinkage Radial (Saturated to 0%MC) (%)
2.7
Drying Defects
Ease of Drying: It is reported to be moderately difficult to season. This species air dries at a fast to moderate rate. Drying Defects: Slight crooking, bowing and some tendency to twisting are reported. Checks are reported to be slight. Kiln Schedules: Careful drying is recommended.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.8
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1102
Stiffness (MOE) 12%MC (kgf/cm²)
139000
Compression parallel to fiber 12%MC (kgf/cm²)
547
Compression perpendicular to fiber 12%MC (kgf/cm²)
127
Janka hardness (side) 12%MC (kgf)
1052
Workability
Sawing
Sawing of this wood is reported to be easy to fair.
Machining
Machining of this species is reported to be easy.
Moulding
Molding is reported to be easy.
Finishing
This species is reported to be easy to finish.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, flooring, parquet, steps, OTHER AND MUSICAL INSTRUMENTS, handicrafts
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Flooring
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Steps
- 17 - Tree Conservation Database
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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