Iryanthera grandis Ducke
The commercial lengths are reported to vary from 8 to 19 m, with diameters from 50 to 75 cm. The logs are reported to be straight and cylindrical.
Iryanthera grandis is found in the Brazilian Amazon, close to streams and water courses. It prefers the drier, better drained areas.
This species is reported to be distributed in the Amazon region.
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 to 150 micras (small). Occasionally vessels with colored deposits. Tyloses thin walled. Vessels per mm2 less than 6 (rare). Reticulate, foraminate and/ Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. 5 to 8 cells per parenchyma strand. Axial parenchyma bands more than 3 cells wide. Rays more than 10 per mm (abundant). Rays 1 to 4 seriate. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits.
The heartwood is red brown to dark purple, the sapwood is light brown to brown in color.
The grain is usually straight.
Texture is reported to be fine to medium.
The sapwood of I. grandis is reported to be moderately difficult to preserve, but the heartwood is impermeable.
Ease of Drying: Air seasoning is reported to be moderate. Drying Defects: Medium warping and checking are reported. Kiln Schedules: Careful drying is recommended.
Medium sawing, with smooth radial and tangential surfaces.
Planing operations are good to fair, with smooth radial and tangential surfaces.
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