Helianthemum canariensis

Cistaceae


Morphology

Z, 5-20 cm

Ecology

subtropical, succulent zone

Chorology

Macaronesia

Xylem

Distinct rings, semi-ring porous, vessels solitary vessel diameter 15-30┬Ám vessel frequency 150-200 mm2, simple perforations, fibers thick-walled, with large pits, parenchyma apotracheal and scanty paratracheal, rays uni-seriate, rarely biseriate, homocellular with square or upright cells.

Xylem-Code

See annex

Phloem

Sclerenchyma cells in tangential bands. With prismatic crystals.

Explanations

For explanations please see the Feature Characteristics.

Cross section
 
Tangential section
 
Bark
 

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