Erysimum asperum De Candolle

Brassicaceae


Morphology

H, 20-40cm

Ecology

Cold steppe, montane, dry site

Chorology

Colorado, USA

Xylem

Distinct rings, semi-ring porous, vessels in groups, tangential rows of vessels, vestured pits, paratracheal parenchyma, ray width 3-10 cells, often confluent with fiber tissue.

Xylem-Code

See annex

Phloem

Tangential layers of collapsed sieve cells, radial rows of parenchyma cells, distinct ray dilatations.

Remarks

Cross section:
Tangential section:
Radial section:
Bark:

Monte Vista, Colorado USA

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