back to the start page   |   back to the list                              

Morphology

H, 10-40 cm

Ecology

hill and mountain zone, medium site

Chorology

Western North America

Xylem

Distinct rings, semi-ring porous porous, vessels in radial multiples, vessel diameter 20 ¿ 50µm, vessel frequency 100-200 mm2, simple perforations, siphonostele consisting on single vascular bundles, long radial strips of thin to thick-walled fibers, pervasive parenchyma, ray width 3->10 cells, exclusively square and upright ray cells, with crystal druses in the rays.

Xylem-Code

See annex

Phloem

Distinct ray dilatations, single sclereids, without 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