Astragalus sempervirens Lam.

Fabaceae


Morphology

H, 5-10 cm

Ecology

mountain and subalpine dry meadow

Chorology

W-Alps

Xylem

Distinct rings, ring porous to semi-ring-porous, vessels mostly in groups vessels thick-walled, simple perforations, round and scalariform intervessel pits, vessel diameter 40-70 ┬Ám, parenchyma paratracheal, pervasive, ray width 4-12 cells, homocellular, prostrate cells, ray cells unlignified, crystals absent.

Xylem-Code

See annex

Phloem

With ray dilatations, tangential rows of sclerenchyma cells, crystals absent.

Explanations

For explanations please see the Feature Characteristics.

Cross section
    
Tangential section
 
Radial section
 
Bark
  

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