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Neonauclea excelsa (Blume) Merr.
RUBIACEAE
Klepu ketek (Indonesia); Ki saat (Indonesia)
Nauclea obtusa Blume; Nauclea mollis Blume; Nauclea excelsa Blume
It is a small to fairly large tree, up to 40 m tall. The bole is straight, branchless for up to 20 m and 80 cm of diameter. The buttresses are absent or up to 2 m high.
Neonauclea occurs in lowland hill forests and lower montane forests, up to 1,800 m of altitude. It is a common secondary species.
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Occasionally vessels of two distinct diameter classes, wood not ring-porous. Tangential diameter of vessel lumina 100 micras or less (very small). Occasionally vessels with colored dep Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Over 9 cells per parenchyma strand. Occasionally rays more than 10 per mm (abundant). Ray height more than 1 mm. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Fibers with distinctly bordered pits.
Unrestricted
The heartwood is pale to bright orange or dark yellow to pink becoming paler on exposure, only distinguishable from the paler sapwood when fresh.
7
The grain is interlocked, occasionally straight.
The texture is moderately fine and even, occasionally with some figure due to growth rings or pink streaks.
The wood is lustrous.
The wood is moderately durable to durable when exposed to the weather or in contact with the ground, very durable under cover. It is moderately resistant to termites attack.
4
The sapwood is permeable but the heartwood is resistant to pressure impregnation.
0.71
0.80
9.1
6.2
1.5
1130
154500
593
It is reported to be useful for veneer cores.
It is reported to be useful for veneer cores.
It is easy to machine, but quarter sawn boards tend to pick up.
30
This species is reported to give a good finish.
EXTERIOR GENERAL, bridges, poles, stakes posts, HOUSING GENERAL, flooring, frames, FURNITURE AND CABINETS, PLYWOOD AND VENEER, cores, TURNING, TOOLS, PACKING, NAVAL CONSTRUCTION, boats
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