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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.

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

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