Morphology

h

Ecology

hill

Chorology

North America

Xylem

Distinct rings, ring porous, vessels solitary and in groups, simple perforations, thin-walled fibers, parenchyma not to recognize, uniseriate rays.

Xylem-Code

See annex

Phloem

Groups of collapsed sieve cells, radial rows of parenchyma cells, groups of sclereids in cortex.

Remarks

Michigan USA Douglas Lake

Explanations

For explanations please see the Feature Characteristics.

Cross section
    
Bark
  

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