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Thande
Stereospermum colais (Buch.-Ham. Ex Dillw.) Mabb
BIGNONIACEAE
Tafu mowst (Vietnam); Mosng bof (Vietnam); Dinh (Vietnam); Khae khao (Thailand); Khae han (Thailand); Khae hin (Thailand); Khe say (Laos); Thande (Myanmar); Yelloe snake tree
Stereospermum tetragonum A.DC; Stereospermum personatum (Hassk.) Chatterjee; Stereospermum chelonoides auct. non. (L.f.) DC.; Dipterosperma personatum Hassk.
It is a medium sized tree, up to 30 m tall. The bole is up to 100 cm in diameter, without buttresses, but sometimes slightly fluted.
It is found in primary or secondary lowland or hill forests, from the sea level up to 1,000 m of altitude.
Wood diffuse porous. Vessels per mm2 5 to 20. Occasionally vessels per mm2 less than 6. Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits medium, 7 to 10 micras. Intervessel pits small, 7 micras or less. Occasionally axial parenchyma in marginal or in seemingly marginal bands. Occasionally paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Axial parenchyma confluent. Two cells per parenchyma strand. 3 to 4 cells per parenchyma s 4 to 10 rays per mm (medium). Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
Unrestricted
The heartwood is pale yellow-brown with a grey tinge, not clearly differentiated from the paler sapwood.
5
The grain is interlocked.
The texture is rather coarse due to the abundance of confluent parenchyma.
The wood is non-durable to moderate durable.
6
0.72
0.82
10.5
6.2
1.7
1008
112000
559
It is reported to blunt rapidly the cutting elements.
The wood is rather difficult to work, rapidly blunting tools.
HOUSING GENERAL, beams, boards, flooring, frames, FURNITURE AND CABINETS, TOOLS, agricultural tools, NAVAL CONSTRUCTION, boats
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