Astragalus cruckshansii Griesb.

Fabaceae


Morphology

H, 10 - 30cm

Ecology

subalpine and alpine meadow

Chorology

Andes

Xylem

Distinct rings, semi-ring-porous, vessels in groups, vesssels thick-walled, simple perforations, scalariform intervessel pits, vessel diameter 40-80┬Ám, fibers thick-walled, parenchyma vasicentric and confluent, ray width 3-8 cells, heterocelluar with a few upright cells, ray cells unlignified, crystals absent.

Xylem-Code

See annex

Phloem

With sieve tube groups, with ray dilatations, radial rows of sclereids, crystals absent.

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