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Morphology

N , 100-300cm

Ecology

mediterranean

Chorology

mediterranean

Xylem

Distinct annual rings, ring porous, vessels in the latewood in radial groups, earlywood vessel diameter 100 – 150 mm, latewood vessel diameter 40-60 mm, vessel frequency 100-200 mm2, simple perforations, with helical thickenings. With vascular tracheids, fibers thin-to thick-walled, with tension wood, with small pits, paratracheal scanty parenchyma, ray width 1-2 cells, rays heterocellular with 1-3 upright marginal cells, with oil ducts in rays.

Xylem-Code

See annex

Phloem

With small groups of sieve tubes, sclerenchyma in groups and thick tangential bands, with prismatic crystals and oil ducts.

Explanations

For explanations please see the Feature Characteristics.

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

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