Morphology

Ch 10-20 cm

Ecology

boreal

Chorology

Eurosibirean/N.-American

Xylem

Distinct rings, diffuse-porous, vessels solitary and in groups, scalariform perforations with 10-15 bars, intervessel pits rarely scalariform and mostly round, vessel diameter 25-35 µm, vessel frequency 400 - 800 mm2, fibers with large pits, fibers thin-walled, parenchyma not to recognize, rays uniseriate, homocellular with upright cells

Xylem-Code

See annex

Phloem

Uniform structure

Explanations

For explanations please see the Feature Characteristics.

Cross section
 
Tangential section
 

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