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Morphology

N, 1,5 - 2m

Ecology

Oak forests

Chorology

E-European

Xylem

Distinct rings, diffuse porous, latewood zone with a small zone of thick-walled fibers. earlywood vessels solitary, simple perforations, vessel diameter 30-50µm, with helical thickenings, fibers with large pits, without septate fibers, axial parenchyma rare or apotracheal, rays uniseriate heterocellular with one row of upright cells, crystals absent.

Xylem-Code

See annex

Phloem

Distinct tangential (annual?) layers of parenchyma and sieve tubes. Sieve tubes collapsed in older rings. With single isolated, very thick-walled sclerenchyma cells, Large ray dilatations. Large crystal druses in ray dilatations and small druses in tangential parenchyma cells.

Explanations

For explanations please see the Feature Characteristics.

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

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