Morphology

shrub, - 1 m

Ecology

hill and mountain zone, medium site

Chorology

Himalaya

Xylem

Distinct rings, diffuse porous, vessels solitary, vessel diameter 15-20µm vessel frequency 200-300 mm2, scalariform perforations with 15 - 30 bars, fibers thick-walled, with small round pits, apotracheal parenchyma, ray width 1-2 cells, rays homocellular with several extremely high marginal cells.

Xylem-Code

See annex

Phloem

Small groups of sieve cells between parenchyma in the phloem, small groups of sclereids in tangential rows in the cortex. Few crystal druses.

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