Descurainia bourgeana Schulz

Brassicaceae


Morphology

Dwarf shrub, 40-60cm

Ecology

subtropicalalalal zone, montane, dry site

Chorology

Macaronesian, Gran Canaria

Xylem

Distinct rings, semi-ring porous, vessels in groups and in radial multiples, tangential rows of vessels, vestured pits, very thick walled fibers, paratracheal parenchyma, thin walled marginal parenchyma, ray width 1-3 cells,.

Xylem-Code

See annex

Phloem

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

Remarks

Cross section:
Tangential section:
Radial section:
Bark:

Caledera, Teide, Teneriffa, Spain

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