China and Japan
Distinct rings, ring porous, earlywood vessels solitary, latewood vessel often in radial rows, simple perforations, with helical thickenings,vessel diameter 150 - 200µm, paratracheal parenchyma, ray width 4-8 cells, with sheet cells, prismatic crystals present,
Tangential layers of sieve tubes and parenchyma cells, of sclerenchymatic groups in tangential bands, prismatic crystals present.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010