Astragalus alpinus L.

Fabaceae


Morphology

H, 5-10 cm

Ecology

subalpine and alpine maccia

Chorology

Alps

Xylem

Distinct rings, semi-ring-porous, vessels solitary, thick-walled, simple perforations, scalariform intervessel pits, vessel pits vestured, vessel diameter 30-50┬Ám, fibers thick-walled, fiber groups in tangential rows, parenchyma vasicentric and confluent, ray width 2-4 cells, homocellular, upright cells, ray cells unlignified, crystals absent.

Xylem-Code

See annex

Phloem

With sieve tube groups, with ray dilatations, tangential layers of sclerenchyma groups, crystals absent.

Explanations

For explanations please see the Feature Characteristics.

Cross section
   
Tangential section
 

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