Nauclea orientalis (L.) L.
Gempol (Indonesia); Bengkal (Indonesia); Bangkal; Tum kham (Thailand); Klepu pasir (Indonesia); Bulala (Philippines); Yellow cheesewood (Papua New Guinea); Prung (Myanmar); Kayu mas (Indonesia); Mau-kadon (Myanmar); Kan lueang (Thailand); Krathum khlong (Thailand); Mambog (Philippines)
Sarcocephalus undulatus Miq; Sarcocephalus cordatus Miq.; Nauclea coadunata Roxb. Ex. J.E. Smith; Cephalanthus orientalis L.
It is a large tree reaching heights of about 20 m and 80 cm in diameter. The buttresses are absent. The bole is up to 9 m long, cylindrical and straight.
Nauclea occurs in lowland an hill forests, sometimes up to 1,100 m of altitude, often along stream and swampy locations.
A yellow dye can be obtained from the root bark.
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Occasionally vessels with colored deposits. Vestured pits. Vessels per mm2 5 to 20. Occasionally vessels per mm2 less than 6. Simple perforation plates. Vessel-ray pits similar to interve Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Occasionally paratracheal axial parenchyma scanty and/or vasicentric. 5 to 8 cells per parenchyma strand. Occasionally rays more than 10 per mm (abundant). Ray height more than 1 mm. Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cel Fibers with distinctly bordered pits.
It has no taste or smell.
The sapwood is often undefined, pale yellow or white. The heartwood varies from whitish-orange buff to saffron.
The grain is slightly interlocked.
Fine texture is reported in this species.
The wood surface is dull.
The wood is fairly resistant to insect attacks, but susceptible to dry wood termites. The heartwood is moderately resistant to blue stain.
Silica Content: It is non-siliceous. Silica Value: 0
The sapwood is permeable to impregnation, the heartwood is usually permeable but may be moderately resistant in some instances.
Ease of Drying: Seasoning is generally easy and rapid with little degrade. Drying Defects: Risk of moderate warping. Kiln Schedules: Kiln drying is fairly rapid under moderate schedules.
N. orientalis saws easily.
Wood processing is reported to be easy.
Molding operations are reported to be easy.
This species is reported to give a good finish.
HOUSING GENERAL, flooring, shutter boards, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, TURNING, TOOLS, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts, matches, moldings