Morphology

H, 10 - 40cm

Ecology

mountain and subalpine meadow

Chorology

W-American

Xylem

Distinct rings, semi-ring-porous, vessels in small groups, simple perforations, vessel diameter 40-50µm, round intervessel pits, fibers thick-walled, parenchyma vasicentric and marginal, rays with 5-8 cells, with sheet cells, homocellular with square and upright cells, with tangential bands of included phloem (latewood?).

Xylem-Code

See annex

Phloem

Tangential oriented groups of sclerenchyma cells.

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