Morphology

H, 10 - 40cm

Ecology

hill and mountain dry meadow

Chorology

W-North America

Xylem

Distinct and indistinct rings, diffuse porous, vessels solitary, simple perforation, vessel diameter 15-20 µm, scalariform intervessel pits, fibers absent, parenchyma pervasive, vascular bundles remaining, rays absent and multi-seriate, homocellular with square and upright cells. Vascular bundles remaining. Crystal druses in large rays.

Xylem-Code

See annex

Phloem

Uniform phloem. A few crystal druses in the cortex. Multilayered periderm with regular arranged cells.

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Bark
 

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