Morphology

N , 100-300cm

Ecology

boreal forest

Chorology

E-Asia

Xylem

Distinct rings, semi-ring-porous, vessels in irregular radial and dendritic groups, vessel diameter 30 – 50mµ, simple perforations, with thin helical thickenings, fibers with small pits, fibers thin to thick-walled, parenchyma not to recognize, rays 1-2 seriate, heterogeneous with many prostrate and a few 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