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Tiga
Tristaniopsis micrantha (Merr.) Peter G. Wilson & J.T. Waterh.
Myrtaceae
Tiga (Philippines)
Tristania micrantha Merr.
It is a small to medium-sized tree up to 10 m tall, 40-60 cm in diameter. The buttresses are 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.
Vessels per mm2 5 to 20. Vessels in diagonal and/or radial pattern. Vessels exclusively solitary (over 90%). Tyloses common. Tangential diameter of vessel lumina 100 to 200 micras. Vestured pits. Vessel-ray pits reticulate and/or foraminate. Vascular/vasicentric Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma confluent unilateral paratracheal. Occasionally axial parenchyma in narrow bands on lines up to 3 cells wide. 4 to 10 rays per mm (medium). Rays exclusively uniseriate. Silica bodies in the ray cells. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). All ray cells upright and/or square. Fibers with simple to minutely bordered pits. Fibers very thick walled.
Unrestricted
The heartwood is red brown, clearly demarcated from the pale color sapwood.
The grain is mostly interlocked.
The texture is fine to medium.
The wood is durable to extremely durable.
2
Silica Content: Silica content is high. Amounts over 0.05% may affect wood processing. Silica Value: 0
0.94
1.11
11.0
7.3
Ease of Drying: Drying is moderately easy; some particular care is needed. Drying Defects: Risks of distortions.
JP-30
1.5
2450
951
75
255
Sawmilling of this species is reportedly difficult.
It is considered to have a severe blunting effect on the cutting elements.
Machining of this species is fair to difficult.
This wood is difficult to nail. Pre-boring is recommended.
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
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