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Simpoh
Dillenia philippinensis Rolfe
DILLENIACEAE
Katmon-buhukan (Philippines); Katmon (Philippines)
Dillenia catmon Elmer
It is a small to medium-sized evergreen tree up to 17 m tall, usually with short bole up to 60 cm in diameter.
An evergreen tree which occurs in primary and secondary forests throughout the Philippines at low and medium altitude, rarely up to 2,000 m.
Wood diffuse porous. Vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Colored deposits in heartwood vessels. Occasionally tyloses common. Vessels per mm2 5 to 20. Intervessel pits scalariform. Vessel-ray p Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. 5 to 8 cells per parenchyma strand. Rays less than 4 per mm (rare). Rays of two distinct sizes. Ray height more than 1 mm. Larger rays more than 4 seriate. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with distinctly bordered pits.
Unrestricted
The heartwood is red-brown to dark reddish-brown, sometimes with a purplish tinge, and usually not demarcated from the slightly paler sapwood.
3
The grain is straight or, more usually, interlocked.
The texture is moderately coarse and even.
The wood is susceptible to dry-wood termites, blue stain and decay fungi.
4
Silica Content: It contains 0.1% silica.
It can be readily impregnated with preservative substances.
0.63
0.70
7.0
3.6
Ease of Drying: The wood dries fairly slowly. Boards 15 mm thick take 2.5 to 4 months to air dry from green to 15% moisture content. Drying Defects: Slight bowing and staining are reported. Kiln Schedules: Schedule recommended for Litsea.
UK-C
1.9
418
122
143
666
900
Sawdust can block the blades.
It possible to produce decorative sliced veneer.
It possible to produce decorative sliced veneer.
Machining operations are rather easy.
Planing of this species is reported to be easy.
Boring operations are easy to fair.
Mortising operations are rated as fair.
It needs pre-bore for nails, but it screws well. The nail holding properties are poor.
It is reported to be easy to glue.
The response of this species in finishing is fair.
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