KEDONDONG (Santiria rubiginosa)
Trade Name
Kedondong
Scientific Name
Santiria rubiginosa Blume
Family
BURSERACEAE
Common Names
Kedondong (Indonesia); Punggung kijang (Indonesia); Kedondong (Malaysia); Buno putih (Indonesia); Salak gading (Sarawak); Mertukul (Indonesia); Kiharpan (Indonesia); Dhup (Andaman Islands); Kenari (Andaman Islands); Dhuwhite (India); White dhup (India); Cham (Vietnam); Dulit (Philippines); Merdondong (Indonesia); Kenari (Indonesia); Ma-kerm (Thailand); Upi (Sarawak); Pili (Philippines)
Description Of The Tree
Botanical Description
It is a medium-sized, sometimes large tree up to 30 m tall. The bole is up to 60 cm in diameter, buttressed.
Natural Habitat
Two varieties are reported. Santiria rubiginosa var. rubiginosa which is widely distributed in Sarawak in mixed dipterocarp forests. The other variety, Santiria rubiginosa var. latipetiolata, is a subspecies endemic to Sarawak, known from only two collect
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Tyloses common. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits large, 10 micras or more. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma in narrow bands on lines up to 3 cells wide. Rays exclusively uniseriate. Silica bodies in the ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers very thick walled.
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Wood Macro Photo Tangential Plane
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Wood Micro Photo Of Transversal Section
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Freshly cut timber has a vinegar-like smell.
Color
The sapwood varies from light pale pink to yellowish-gray. The heartwood is yellow-green-brown.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
It is shallowly to deeply interlocked.
Texture
The wood is mostly medium in texture.
Natural Durability
It is perishable and rapid blue stain. It is also quickly attacked by bark beetles, false powder-post beetles and Lyctus. It is resistant to wood rotting fungi. Early protection is recommended.
Natural durability index (1= Very high durability, 7=Vey low durability)
6
Silica Content
Silica Content: Presence of silica is reported in timber of this species. Amounts over 0.05% may affect the wood processing. Silica Value: 0
Resistance To Impregnation
The heartwood is reported to be extremely resistant to preservative treatment, but the sapwood is moderately permeable.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.84
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.97
Drying Defects
Ease of Drying: Drying is moderately easy; some particular care is needed. Drying Defects: Risks of checks and distortions.. Kiln Schedules: The kiln schedule has been tested.
Wood Chemical Properties
Wood Mechanical Properties
Workability
Sawing
Sawing of this species is difficult.
Rotary Veneer Cutting
Lamination of this species is possible.
Sliced Veneer
Lamination of this species is possible.
Blunting Effect
It has a severe blunting effect on the cutting tools.
Machining
Machining operations are rated fair.
Planing
Planing operations are rated as fair to difficult.
Turning
30
Boring
Boring is reported to be fair to difficult.
Substitute Species
The timber is reported to be similar to Aiele (Canarium schweinfurthii)
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, boards, flooring, frames, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, SPORTS, TOOLS, tool handles, PACKING, pallets, OTHER AND MUSICAL INSTRUMENTS, particleboard
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
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
Particleboard
- 80 - Estudio Integral de la Madera para Construcción
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