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Morphology

P 10-20m

Ecology

mediterranean

Chorology

E-European W-Asian

Xylem

Distinct rings, ring porous, often >200 µm in diameter, earlywood vessels solitary, late wood vessels often in tangential, diagonal or even dendritic simple perforations, with helical thickenings fibers thin to thick-walled, parenchyma paratracheal and marginal, ray width 4-8 cells, homocellular with prostrate cells, rays with prismatic crystals in ray cells

Xylem-Code

See annex

Phloem

Tangential layers of small sieve cells and big, round, parenchyma cells, sclereids in large tangential rows or large groups, with a few ray dilatations, prismatic crystals in sclereids.

Explanations

For explanations please see the Feature Characteristics.

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

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