Helianthemum canum(L.) Boiss.

Cistaceae


Morphology

Z, 5-20 cm

Ecology

hill and mountain

Chorology

European

Xylem

Distinct rings, semi-ring porous, vessels solitary vessel diameter 15-30┬Ám vessel frequency 200-300 mm2, simple perforations, fibers mostly thick-walled, with large pits, parenchyma apotracheal and scanty paratracheal, rays uni-seriate, homocellular with square or upright cells.

Xylem-Code

See annex

Phloem

Sclerenchyma cells in small, interrupted tangential bands. With crystal druses.

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Tangential section
 
Radial section
 

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