Morphology

Z, parasite, on Pinus sylvestris, 30-50 cm

Ecology

hill and mountain zone, medium site

Chorology

Eurasian

Xylem

Indistinct rings (polarized light), diffuse porous, vessels in long radial multiseriate rows, simple perforation, vessel perforation opposite and gash-like, vessel diameter in earlywood 20-30µm, fiber pits minutely bordered, fibers very thick-walled, apotracheal and paratracheal parenchyma, ray width 1-8, often confluent to fiber tissue, all ray cells upright. With prismatic crystals.

Xylem-Code

See annex

Phloem

With sieve cell groups outside of vessel/fiber strips. Old sieve cells not collapsed, groups of sclereids in cortex. Crystal druses present.

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