Morphology

therophyte 10-40

Ecology

hill zone, dry sites

Chorology

Great Plains

Xylem

Only one ring, vessel in radial multiples, simple perforations, vessel diameter 40-80 µm, scalariform intervessel pits, fibers thin-to thick-walled, paratracheal parenchyma, round and scalariform vessel-ray pits, homocellular rays with upright cells.

Xylem-Code

See annex

Phloem

Indistinct ray dilatations, with radial sclerenchymatic groups with lactifers.

Explanations

For explanations please see the Feature Characteristics.

Cross section
  
Bark
  

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