Aeonium urbicum (Chr. S.) Webb

Crassulaceae


Morphology

Ch, succulent plant, 30 ¿ 60cm

Ecology

Subtropical, thermophile zone

Chorology

Canary Islands, La Palma

Xylem

Distinct rings, isolated vessel/parenchyma groups or tangential vessel/parenchyma bands between vesselless fiber zone (intervascular parenchyma). Vessel diameter 20 ¿ 50µm, vessel frequency vessel frequency 200-500 mm2, reticulate vessel-pitting, septate fibers absent, rayless, crystals absent.

Xylem-Code

See annex

Phloem

Uniform anatomy, much crystal sand in cortex and pith, parenchyma cells with tannins.

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