Morphology

N 80-200 cm

Ecology

boreal meadow

Chorology

North America

Xylem

Distinct rings, semi-ring-porous, vessels solitary, simple perforation, intervessel pitting round, alternating, with fine helical thickenings, vessel diameter 30-40 µm, fibers thick-walled, parenchyma apotracheal rays 1-2-seriate, homocellular with procumbent cells and heterocellular many prostrate and one row of upright, without crystals.

Xylem-Code

See annex

Phloem

Slide missing

Explanations

For explanations please see the Feature Characteristics.

Cross section
 
Tangential section
 

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