Dryas octopetala L.

Rosaceae


Morphology

z, 5-20 cm

Ecology

subalpine and alpine

Chorology

Arctic-Alpine

Xylem

Distinct rings, semi-ring-porous, vessels solitary, simple perforation, vessel diameter 20-30 ┬Ám, fibers with large pits, fibers thinwalled, parenchyma apotracheal, rays 1-3 seriate, homocellular with upright cells.

Xylem-Code

See annex

Phloem

Uniform construction, sometimes with slight ray dilatations. Some samples with groups of sclereids.

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