Morphology

T, H 15-40cm

Ecology

Foothills, montane, medium sites

Chorology

N-American, subcosmopolitean

Xylem

Only one ring, vessels in radial multiples, tangential rows of vessels, tangential bands with thick walled fibers, paratracheal parenchyma, rayless in cross-section.

Xylem-Code

See annex

Phloem

Indistinct tangential layers of collapsed sieve cells, and few sclerenchymatic groups, radial rows of parenchyma cells, indistinct dilatations.

Remarks

Cross section:
Tangential section:
Radial section:
Bark:

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Bark
 

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