Morphology

therophyte 10-40

Ecology

ruderal hill zone Alps

Chorology

Mediterranean. SW-Asian

Xylem

Only one ring, vessel in radial multiples simple perforation, vessel diameter 30-50µm, round intervessel pits, fibers thin-walled, indistinct parenchyma, round vessel-ray pits, homocellular rays ray width 1-2 cells with upright cells.

Xylem-Code

See annex

Phloem

Phloem with small groups of sieve tubes, indistinct dilatations, lactifers absent. Large cortex consisting on thin-walled parenchyma cells.

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