Morphology

N 80-200 cm

Ecology

hill and mountain zone, medium site

Chorology

W-North America

Xylem

Distinct rings, diffuse to semi-ring-porous, few vessels solitary and in radial groups, simple perforation, vessel diameter 60-100µm, fibers with small pits, fibers thin- to thick-walled, with septate fibers, parenchyma apotracheal, rays uniseriate and multiseriate, homocellular with square and upright cells.

Xylem-Code

See annex

Phloem

With ray dilatations, sclerenchyma cells in round groups rows, with crystal druses, multilayered periderm with regular arranged cells.

Explanations

For explanations please see the Feature Characteristics.

Radial section
 

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