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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.

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

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