Official Journal of the Japan Wood Research Society
Table 2 Axial variation of anatomical properties of Tectona grandis trees from East Timor measured at three stem height levels
From: Anatomical variation of teakwood from unmanaged mature plantations in East Timor
Features | Height level | ||
|---|---|---|---|
Base | Middle | Top | |
Tissue proportion (%) | |||
Parenchyma | 10 | 16 | 17 |
Vessel | 12 | 14 | 11 |
Ray | 19 | 13 | 22 |
Fiber | 55 | 53 | 47 |
Fibers | |||
Length (mm) | 1.20 | 1.15 | 1.02 |
Width (µm) | 29.5 | 27.9 | 26.6 |
Wall thickness (μm) | 5.9 | 6.3 | 6.1 |
Vessels | |||
Tangential diameter (earlywood) (µm) | 223.4 | 216.5 | 177.2 |
Tangential diameter (latewood) (µm) | 92.8 | 89.6 | 83.4 |
Length (µm) | 241 | 260 | 275 |
Mean area (µm2) | 17,695 | 21,657 | 10,750 |
Number of vessels per mm2 | 9 | 8 | 10 |