back to the start page   |   back to the list                              

Morphology

P, 1-1,5m

Ecology

Hill zone

Chorology

W North America, Siberia

Xylem

Distinct rings, diffuse porous, semi-ring porous, vessels solitary and in groups, scalariform perforations, partial scalariform intervessel pits intervessel pits opposite, with septate fibers, parenchyma difficult to recognize, ray width uni-to multiseriate, heterocellular.

Phloem

Tangential layers of collapsed sieve cells, tangential bands of crystal druses.

Explanations

For explanations please see the Feature Characteristics.

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

                              back to the start page   |   back to the list