Morphology

N 80-200 cm

Ecology

hill and mountain meadow

Chorology

W-North America

Xylem

Distinct rings, semi-ring-porous, vessels in diagonal and radial groups, simple perforation, vessel diameter 30-50µm, with thin helical thickenings, fibers with large pits, fibers thick-walled, parenchyma apotracheal, rays uniseriate and 2-3-seriate, homocellular with upright cells

Xylem-Code

See annex

Phloem

With phloem and a few larger parenchyma cells, ray dilatations, tissue radially splitted, with prismatic crystal, multilayered periderm with regular arranged cells, mostly compressed.

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