Brassica rapa L.

Brassicaceae


Morphology

T, 40 -90cm

Ecology

Hill zone, medium site

Chorology

Eurasian, cosmopol.,

Xylem

Only one ring, vessels in radial multiples, tangential rows of vessels, vestured pits, simple perforations, paratracheal parenchyma, ray width 4-6 cells, with sheet cells, sometimes, few large rays.

Xylem-Code

See annex

Phloem

No tangential layers of collapsed sieve cells, distinct ray dilatations, groups of sclereids in cortex.

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