Astragalus microcephalus Willd.

Fabaceae


Morphology

H, 10 - 30cm

Ecology

hill dry meadow

Chorology

E-European

Xylem

Distinct rings, ring porous to semi-ring-porous, vessels solitary and in small groups, vessels thick-walled, simple perforations, round intervessel pits, vessel diameter 40-70┬Ám, parenchyma predominantly paratracheal, sometimes confluent, ray width 3-7 cells, homocellular, prostrate cells, ray cells unlignified, crystals absent.

Xylem-Code

See annex

Phloem

With sieve tube groups, with ray dilatations, radial 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