Morphology

Z, parasite on Proustia cuneifolia, 30-50cm

Ecology

mountain zone, dry site

Chorology

Central Andes, Argentina

Xylem

Distinct rings (polarized light), diffuse porous, vessels in long radial rows, simple perforation, vessel diameter in earlywood <20µm, fiber pits minutely bordered, fibers thick-walled, apotracheal, ray width 1-8, all ray cells upright, thick-walled ray cells, Keilwuchs

Xylem-Code

See annex

Phloem

With sieve cell groups above the vessel/fiber strips. Old sieve cells collapsed, groups of sclereids in cortex. Prismatic crystals present.

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