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Morphology

c, 40 -100cm

Ecology

mediterranean

Chorology

S-European mountain

Xylem

Distinct rings, diffuse-porous, vessels in radial to slightly diagonal groups, simple perforations, with helical thickenings, ray-vessel pits large, round, vessels surrounded by vasicentric tracheids, fibers thin-walled, with small pits, parenchyma apotracheal, in aggregates and terminal, rays uniseriate, heterocellular with 2-4 square and upright cells.

Xylem-Code

See annex

Phloem

With many fibers in groups, fibers unlignified and do not show up in polarized light, phellem cells in regular radial rows, with slime ducts.

Explanations

For explanations please see the Feature Characteristics.

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

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