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TERUNTUM (Lumnitzera littorea)
Trade Name
Teruntum
Scientific Name
Lumnitzera littorea (Jack) Voigt
Family
COMBRETACEAE
Common Names
Tigerwood (United States of America); Congowood (United States of America); Dibetou (Côte d`Ivoire); Dibetou (Gabon); Bombulu (Zaire); Sida (Nigeria); Apopo (Nigeria); Anamemila (Nigeria); Mpengwa (Ghana); Cosc ken (Vietnam); Sdam (Cambodia); Fat daeng (Thailand); Tabau (Philippines); Tabao (Philippines); Teruntum merah (Sarawak); Geriting merah (Sabah); Tamsao thale (Thailand); Cocj do (Vietnam); Kanhep (Cambodia); Randai (Indonesia); Duduk agung (Indonesia); Tarungtung (Indonesia); Teruntum (Malaysia); Teruntum (Sarawak)
Scientific Name Synonyms
Pyrrhanthus littoreus Jack; Lumnitzera coccinea Eight & Arn
Description Of The Tree
Botanical Description
It is a small to medium sized tree to 30 m high. The bole is often twisted, without buttresses, but pneumatophores are usually present.
Natural Habitat
This species is reported at coastal sites, wherever mangrove formations are developed. It is also reported on exposed beaches on rocks along the coast.
Natural Distribution
It is distributed in South-East Asia and North Australia.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Tangential diameter of vessel lumina 200 micras or more (large). Tangential diameter of vessel lumina 100 micras or less (very small). Occasionally tyloses common. Vessels per mm2 5 to 20. Vessels per mm2 less than 6 (rare). Vessel-ray pits Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. Rays more than 10 per mm (abundant). Ray height more than 1 mm. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Occasionally body r Fibers very thin walled. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
It has a scent of roses or spicy odor when freshly cut.
Color
The sapwood is paler that light brownish heartwood but not well defined.
COLOR INDEX (1=Black, 7=Light yellow,white)
7
Grain
The grain is straight to shallowly interlocked.
Texture
The texture is very fine, even, and glossy.
Luster
The wood surface is described as moderate in luster.
Natural Durability
It is durable in sea water, not attacked by fungi.
Natural durability index (1= Very high durability, 7=Vey low durability)
4
Resistance To Impregnation
This timber is reported to respond poorly to preservative treatment.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.70
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.79
Total shrinkage Tangential (Saturated to 0%MC) (%)
6.6
Total shrinkage Radial (Saturated to 0%MC) (%)
5.8
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.1
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
785
Stiffness (MOE) 12%MC (kgf/cm²)
150812
Compression parallel to fiber 12%MC (kgf/cm²)
428
Shear strength radial 12%MC (kgf/cm²)
97
Workability
Sawing
Cutting resistance is generally low.
Planing
This species is easy to plane.
Turning
30
Finishing
Finishing of this wood is easy.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, poles, stakes posts, crossties, piers, HOUSING GENERAL, flooring, parquet, frames, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, SPORTS, TOOLS, tool handles, PACKING, pallets, NAVAL CONSTRUCTION, boats, port pillar, OTHER AND MUSICAL INSTRUMENTS, handicrafts, axle, moldings
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Poles
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Stake Posts
- 5 - Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
Piers
- 9 - Maderas latinoamericanas. IV, Nectandra sp. Ocotea austinii, Persea sp. aff. vesticula, Persea schiedeana
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
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.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
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
Pallets
- 48 - The strength properties of timbers
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Port Pillar
- 61 - Manual de Diseño para Maderas del Grupo Andino
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Axles
- 73 - Handbook of Hardwoods
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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