GREEN SATINHEART (Geijera salicifolia)
Trade Name
Green satinheart
Scientific Name
Geijera salicifolia Schott
Family
RUTACEAE
Common Names
Green satinheart
Description Of The Tree
Botanical Description
It is a small to medium-sized tree up to 30 m tall. The bole is irregularly cylindrical, branchless for up to 15 m, 100 cm in diameter, not prominently flanged at base.
Natural Habitat
A timber species, which in New Guinea is mainly confined to the Bulolo/Wau region of Morobe Province. It is a subcanopy tree, occurs in monsoon forests and dry to wet lowland forests or lower montane rainforests, from the sea level up to 1,200 m of altitu
Natural Distribution
It is a native of Queensland from Tweed River to Atherton district, occurs also in Marobe District of Papua New Guinea.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Occasionally tangential diameter of vessel lumina 200 micras or more. Vessels per mm2 5 to 20. Vessels per mm2 more than 20 (very abundant). Simple perforation plates. Occasionally intervessel pits small, 7 micras or less. Intervessel pits Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally paratracheal axial parenc 4 to 10 rays per mm (medium). Occasionally rays more than 10 per mm (abundant). Ray height more than 1 mm. Occasionally larger rays more than 4 seriate. Occasionally sheath cells. Body ray cells procumbent with over 4 rows of upright and/or square marginal cel Septate fibers present. Fibers very thin walled. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood has a leathery or lemon odor and greasy nature.
Color
The sapwood varies in color from straw to yellow. The heartwood is yellow-brown.
Grain
This species is reported to have straight grain.
Texture
The wood is typically fine in texture.
Luster
It is reported to be moderate in luster.
Natural Durability
This timber is durable and can be used for exterior purposes. It is also reported to be resistant to termites but the sapwood is susceptible to Lyctus.
Natural durability index (1= Very high durability, 7=Vey low durability)
2
Resistance To Impregnation
The heartwood is reported to be extremely resistant to preservative treatment.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.92
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
1.08
Total shrinkage Tangential (Saturated to 0%MC) (%)
11.6
Total shrinkage Radial (Saturated to 0%MC) (%)
7.5
Drying Defects
Ease of Drying: Drying is slow. Air drying of 25 mm thick boards about 2 months. Drying Defects: Some tendency to warp and end split is reported. Kiln Schedules: Schedule recommended for Nyatoh.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
860
Stiffness (MOE) 12%MC (kgf/cm²)
142000
Compression parallel to fiber 12%MC (kgf/cm²)
43
Shear strength radial 12%MC (kgf/cm²)
110
Workability
Machining
Machining operations are rather difficult.
Turning
30
Nailing
It is very difficult to nail, rendering pre-boring essential.
Finishing
The wood is difficult to work but with care finishes smoothly to a lustrous surface.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, bridges, poles, crossties, HOUSING GENERAL, flooring, TURNING, cutlery, SPORTS, TOOLS, tool handles, agricultural tools, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boats, boat deck, port pillar, OTHER AND MUSICAL INSTRUMENTS, handicrafts
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Bridges
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Poles
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Turning
- 30 - Embassy of Honduras in Japan
Knife Handles
- 33 - Embassy of Gabon 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)
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Boat Decking
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
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.)
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