Official Journal of the Japan Wood Research Society
Table 3 Microscopic features in the cross-section of misrecognized species
| Â | Growth ring | Vessel | Fiber | Parenchyma | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Boundary | VP | SV | TD (μm) | Frequency (/mm2) | Tyloses and deposits | WT | AAP | PAP | Ray frequency (/mm2) | |
M. japonica | Distinct | Diffuse | – | 50–100, 100–200 | 5–20, 20–40 | Common | Very thin, thin to thick | diffuse | Scanty paratracheal, vasicentric, confluent | 4–12 |
C. japonicum | Distinct | Diffuse | – | 50–100 | – | Common | Very thick | diffuse | Vasicentric, confluent | 4–12 |
M. thunbergii | Distinct | Diffuse | – | 50–100, 100–200 | 5–20, 20–40 | Common | Very thin, thin to thick | diffuse | Confluent | 4–12 |
C. camphora | Distinct or indistinct | Diffuse or semi-ring | Angular | 100–200 | 5–20 | Common | Very thin, thin to thick | – | Vasicentric, confluent | 4–12 |