Morphology

H, 5-20 cm

Ecology

mountain and subalpine

Chorology

Eurosibirean/N.-American

Xylem

Distinct rings, semi-ring-porous, vessels solitary and in groups, scalariform perforations with 5-10 bars, intervessel pits scalariform and round, vessel diameter 15-30 µm, vessel frequency 200 - 300 mm2, fibers with large pits, fibers thin-to thick-walled, parenchyma rare, paratracheal, rays uniseriate, homocellular with upright cells.,

Xylem-Code

See annex

Phloem

Phloem with uniform structure. Large cortex with large large round parenchyma cells and a distinct endodermis.

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