Crudia curtisii Prain ex King
Babi kurus (Indonesia); Jering tupai (Malaysia); Merbau kera (Malaysia); Kempas rimau (Malaysia)
Crudia glauca Ridley
It is an evergreen, small to medium-sized tree up to 25 m tall. The bole is up to 60 cm in diameter, with buttresses up to 2 m high.
This species is found in primary, occasionally in secondary lowland rainforests, up to 550 m of altitude. It prefers well drained sites, although it is also reported on temporarily inundated areas.
Wood diffuse porous. Vessels exclusively solitary (over 90%). Colored deposits in heartwood vessels. Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Axial parenchyma in marginal or in seemingly marginal bands. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Axial parenchyma in narrow bands on lines up to 3 cells wide. Rays more than 10 per mm (abundant). Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers very thick walled.
The heartwood is dark chocolate-brown to purplish, sharply differentiated from the red-brown, yellow-brown or straw-colored sapwood.
The grain is reported to be wavy and interlocked.
The texture moderately fine and rather uneven.
It is reported as very durable.
Ease of Drying: Seasoning is reported to be slow. Boards of 13 mm thick take 5 months and of 38 mm thick take about 7 months. Drying Defects: It stains moderately during drying.
Wood of this species is difficult to cut.
The wood has a clear dulling effect on tools.
Planing of this species is reported to be difficult.
EXTERIOR GENERAL, HOUSING GENERAL, flooring, frames, TOOLS, tool handles