Abronia fragrans. Nutall

Nyctaginaceae


Morphology

H, 10-40 cm

Ecology

hill and mountain zone

Chorology

W-N-America

Xylem

Indistinct rings, vessels in short radial in multipels, vessel diameter 40 ¿ 80mµ, fibers thin walled, simple perforations, intervascular pits slit-like to scalariform, paratracheal parenchyma, rays 4-6 cells, , included phloem concentric with continuous xylem, conjunctive tissue thin-walled, with rhaphides in idioblasts. With medullary vascular bundles

Xylem-Code

See annex

Phloem

Uniform anatomy without sieve elements, with rhaphids.

Explanations

For explanations please see the Feature Characteristics.

Cross section
      
Radial section
  
Bark
 

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