Morphology

P 10-20m

Ecology

hill and mountain, dry

Chorology

S-European

Xylem

Distinct rings, ring porous, often >200 µm in diameter, latewood vessels in diagonal patterns, abrupt change between large erlywood and smaller latewood vessels simple, perforations, thin-walled tylosis, with vasicentric tracheids, fibers thin to thick-walled, fibers with small slit-like pits (libriform) and fibers with large round pits, parenchyma apotracheal and paratracheal, uniseriate rows of tangential parenchyma cells, rays homocellular, rays of two distinct sizes: uniseriate and >10 seriate, with a few prismatic crystals in ray cells

Xylem-Code

See annex

Phloem

Tangential rows of sieve-tubes, parenchyma cells and sclerenchyma. Sieve tubes collapsed in older phloem, large rays sclerotised. With many prismatic crystals.

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Tangential section
 
Radial section
    
Bark
 

© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010