Morphology

c 20-40 cm

Ecology

hill and mountain pinus sylvestris forest

Chorology

European

Xylem

Distinct rings, semi-ring-porous, vessels diagonal patterns, simple perforations, vessel diameter 30 – 50µm, with helical thickenings, with vestured intervessel pits, fibers thick-walled, parenchyma vasicentric and terminal, ray width 2-3 (4) cells, homocellular with procumbent cells.

Xylem-Code

See annex

Phloem

With ray dilatations, small strips of tangential sclerenchyma cells (missing ins slow growing individuals).

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