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Morphology

Ch 10 - 50 cm

Ecology

boreal

Chorology

N-America

Xylem

Distinct rings, diffuse-porous, vessels solitary, perforations simple and scalariform with 6-15 bars, intervessel pits scalariform and mostly round, ray-vessel pits with enlarged horizontal apertures, vessel diameter 15-30 µm, vessel frequency 400 - 700 mm2, fibers with large pits, fibers thin-walled, parenchyma not to recognize, rays uniseriate, homocellular with upright cells and 2-4 seriate homocellular with prostrate and upright cells, sometimes with sheet cells, with a few prismatic crystals in large rays.

Xylem-Code

See annex

Phloem

Slide missing

Explanations

For explanations please see the Feature Characteristics.

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

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