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Paujilruro
Pterygota amazonica L.O. Williams ex Dorr
STERCULIACEAE
Paujilruro (Peru); Paujilruro Blanco (Peru)
The trees are reported to reach heights of 40 m, with trunk diameters ranging from 60 to 80 cm. The boles are straight and cylindrical up to two thirds of the total height. It presents medium sized buttresses.
Pterygota amazonica grows in the well drained tropical rain forests of Peru. It prefers non inundable, well drained areas.
It is found in Peru in the departments of Huanuco, Ucayali, Loreto, Madre de Dios, San Martin and Cerro de Pasco.
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. I Axial parenchyma apparent with the naked eye. Axial parenchyma in thick bands. Axial parenchyma storied. Prismatic crystals in non-chambered axial parenchyma cells. 3 to 4 cells per parenchyma strand. Axial parenchyma bands more than 3 cells wide. Axial parench Rays less than 4 per mm (rare). Rays less than 4 per mm (rare). Larger rays width 0. 1 mm or more and 2 mm or more in height. Rays non-storied. Larger rays more than 4 seriate. Prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogen Fibers with simple to minutely bordered pits.
Unrestricted
It has no discernible odor or taste.
The sapwood is not differentiated, the heartwood is pale yellow color.
6
Straight grain is reported in this species.
Medium texture is reported in this species.
This wood is frequently moderate in luster.
6
0.62
0.69
9.3
4.2
Ease of Drying: Air seasoning is reported to be rapid. Drying Defects: Risk of checking and cupping is reported.
2.2
859
146000
441
97
110
620
Sawing of this wood is reported to be fair to difficult.
Planing operations are reported to be fair.
Molding is reported to be easy.
Boring operations are reported to be fair.
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