Morphology

T, 10-30cm

Ecology

hill zone

Chorology

SW-N-American

Xylem

Only one ring, vessels in radial multipels, vessel diameter 30 ¿50µm, vessel frequency 100-200 mm2, simple perforations, intervessel pits scalariform, fibers thin-walled, pervasive parenchyma, ray width >10 cells, vascular bundle form remaining, ray cells unlignified and thin-walled, exclusively square and upright ray cells, without crystals

Xylem-Code

See annex

Phloem

With tangential rows of sieve cell groups, without sclereids, Without crystals.

Explanations

For explanations please see the Feature Characteristics.

Cross section
    
Tangential section
 
Radial section
 
Bark
 

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