Tristaniopsis ferruginea (C.T.White) Peter G. Wilson & J.T. Waterh.
Pelawan; Mehikah (West Irian); Mehikah (Indonesia)
Tristania ferruginea C.T White
Tristanopsis species are small to large trees up to 45 m and 70 cm in diameter. The buttresses are usually absent.
Tristaniopsis trees are reported in many types of lowland to lower montane forests, up to 1,300 m of altitude. Often found scattered along rivers or near the coast.
Wood diffuse porous. Vessels in diagonal and/or radial pattern. Vessels exclusively solitary (over 90%). Occasionally vessels with colored deposits. Tyloses common. Vestured pits. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Vascular/vas Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally axial parenchyma aliform. Axial parenchyma 4 to 10 rays per mm (medium). Rays more than 10 per mm (abundant). Rays exclusively uniseriate. Silica bodies in the ray cells. Occasionally body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Body ray cells procumbent Fibers very thick walled. Fibers with distinctly bordered pits.
The heartwood is pink-brown, red-brown or purple-gray-brown, only occasionally distinct from the paler sapwood.
The grain is interlocked, sometimes wavy.
The texture of the wood is fine.
The wood is durable to extremely durable when exposed to the weather or in contact with the ground. It is resistant to termites and marine borer attack.
Silica Content: Silica presence is reported. Amounts over 0.05% may affect wood processing. Silica Value: 1
This species is reported to be impermeable.
Ease of Drying: Drying is very slow and difficult to perform; defects are frequent. Drying Defects: Risks of distortions. Kiln Schedules: The kiln schedule has been tested.
Sawmilling of this species is reportedly difficult.
Wood of this species exerts a severe blunting effect on the cutting tools.
It is fairly difficult to work due to its hardness and high silica content.
The wood can be planed to a relatively smooth surface, although a reduced cutting angle of 15 to 20 degrees may be necessary.
Pre-boring is necessary before nailing.
EXTERIOR GENERAL, bridges, poles, stakes posts, crossties, piers, HOUSING GENERAL, beams, flooring, SPORTS, bowling polo balls, TOOLS, tool handles, NAVAL CONSTRUCTION, boat deck, port pillar, port storage, OTHER AND MUSICAL INSTRUMENTS, axle, wheel