Morphology

T 40-80 cm

Ecology

hill and mountain

Chorology

W-North America

Xylem

Only one ring, vessels 20-40 µm in diameter, vessels radial multipels, simple perforations, vessels thin-walled, pits scalariform or small in opposite position, fibers thin-walled with small pits, fibers in straight radial lines, with tension wood, parenchyma paratracheal, rays uniseriate, homocellular with square and upright cells,

Xylem-Code

See annex

Phloem

Fairly uniform phloem, with a few acicular crystals. Small mucilage ducts

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Tangential section
 
Bark
 

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