Aeonium arboreum (L.) Webb et Berth.

Crassulaceae


Morphology

Ch, succulent plant, 50 ¿ 150cm

Ecology

Subtropical, thermophile zone

Chorology

Canary Islands, Madeira

Xylem

Indistinct rings, isolated vessel/parenchyma groups in vesselless fiber zone (intervascular parenchyma). Vessel diameter 20 ¿ 50µm, vessel frequency vessel frequency 200-500 mm2, reticulate vessel-pitting, parenchyma cells with tannins, rayless, crystals absent.

Xylem-Code

See annex

Phloem

Uniform anatomy, parenchyma cells with tannins, with short acicular crystals in phloem and cortex

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Bark
 

© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010