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Uchumullaca
Trichilia spp.
MELIACEAE
Sapaimosi (Bolivia); Sama colorada (Bolivia); Pitón (Bolivia); Piton (Bolivia); Pracuuba (Brazil); Pracuuba da terra firme (Brazil); Pracuúba da terra firme (Brazil); Pracuuba (Brazil); Uchumullaca negra (Peru); Uchumullaca (Peru)
Small to medium sized trees, with a diameter at breast height of commonly 45 cm. The bole has a commercial length of 6 m in the average.
This species occurs in the Amazonian forests of America.
Tangential diameter of vessel lumina 100 micras or less (very small). Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Axial parenchyma in marginal or in seemingly marginal bands. Rays more than 10 per mm (abundant). Rays exclusively uniseriate. Silica bodies in the ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II).
Unrestricted
It has a mild smell.
The pink sapwood is distinct from the heartwood which is light reddish brown in color.
5
This species is reported to have irregular grain.
Texture is usually fine to medium.
The wood is described as low in luster.
It is reported to be resistant to fungi and insect attack.
1
The heartwood of this species is described as impermeable to oil and water borne preservatives.
1.00
1.19
8.2
4.4
1.9
1608
167000
881
186
189
1433
1332
Sawmilling of this species is reportedly fair to difficult.
Processing of this species is fair, and it has a very bad finishing. Risk of torn surfaces is reported.
Molding operations are rather easy.
Boring operations are rated as fair, but it has a good finishing.
Sanding is rated as fair, with bad finishing. Risk of fuzzy surfaces.
T. lecointei is difficult to cut with hand saw.
EXTERIOR GENERAL, crossties, HOUSING GENERAL, steps, FURNITURE AND CABINETS, PACKING, heavy packing
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