N , 100-300cm
subalpine and alpine
Distinct rings, diffuse porous, vessels 30-70 µm in diameter, vessels in radial multipels ray-vessel pits with small apertures, scalariform perforations with >10 bars, fibers thin to thick walled, with tension wood, fibers with small pits, parenchyma apotracheal-diffuse and marginal, rays homocellular, rays uniseriate with prostrate cells.
Uniserate layers of sieve-tubes an parenchyma cells, few sclereids in cortext and phloem, with crystal druses. Dense phellem with regularly arranged rectangular cells.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010