hill to subalpine
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, fibers with small pits, parenchyma apotracheal-diffuse and marginal, aggregate rays, rays homocellular, rays uniseriate with prostrate cells.
Uniserate layers of sieve-tubes an parenchyma cells, few sclereids in cortext and phloem in the continuation of aggregate rays, 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