Clematis alpina ssp. sibirica (L.) O. Kunze

Ranunculaceae


Morphology

liana

Ecology

boreal, medium site

Chorology

Siberian

Xylem

Distinct rings in wedge-like radial vascular bundles, ring-porous to semi-ring porous, vessels in groups, earlywood vessel diameter 60-110µm, fibers with distinct big (3 µm)round, bordered pits, some fibers with spiral thickenings, fibers storied, simple perforations, round intervascular pits, parenchyma paratracheal, apotracheal and marginal, vascular bundles rayless, sometimes with secondary rays, very large rays (dilatation) between the bundles.

Xylem-Code

See annex

Phloem

Bands sieve elements alternating with parenchyma cells, tangentially arranged in a thin walled parenchymatic tissue. Many phellem bands.

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