Althaea officinalis L.

Malvaceae


Morphology

H, 40 -100cm

Ecology

hill and mountain

Chorology

European

Xylem

Only one ring, vessels solitary and in short radial multiples, often arranged in tangential layers, simple perforations, round intervessel pits, intervessel pits alternate and opposite, vessel diameter 50-90 ┬Ám, parenchyma scanty paratracheal and in tangential layers, ray width 2-4 cells, homocellular with square and upright cells, with crystals druses in rays.

Xylem-Code

See annex

Phloem

Sclereids in tangentially arranged square groups, with ray dilatations, with many crystal druses in rays, with mucilage ducts.

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