Morphology

N 80-200 cm

Ecology

boreal meadow

Chorology

Sibirea N-America

Xylem

Distinct rings, semi-ring-porous, vessels solitary, simple perforation, vessel diameter 40-80µm, fibers with large pits, with very thin helical thickenings, fibers thin- to thick-walled, parenchyma apotracheal, rays uniseriate and multiseriate, locally with sheet cells, heterocellular with prostrate and some rows of upright cells.

Xylem-Code

See annex

Phloem

Slide missing

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Tangential section
 
Radial section
 

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