Descurainia sophia (L.) Prantl.

Brassicaceae


Morphology

T, 40cm

Ecology

Alpine Dry site, ruderal

Chorology

Cold desert, Eurasian, subcosmopolitean.

Xylem

Distinct rings, diffuse porous, vessels in long radial multiples, tangential rows of vessels, paratracheal parenchyma, thin walled marginal parenchyma, ray width 3-4 cells.

Xylem-Code

See annex

Phloem

No tangential layers of collapsed sieve cells, radial rows of parenchyma cells, distinct ray dilatations, radial groups of sclereids in primary bark.

Remarks

Cross section:
Tangential section:
Radial section:
Bark:

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