Ceanothus hearstiorum Hoover et Roof

Rhamnaceae


Morphology

N 80-150

Ecology

mediterranean

Chorology

W-North America

Xylem

Distinct rings, semi-ring-porous, vessels in irregular radial and dendritic groups, vessel diameter 20 – 50mµ, simple perforations, with helical thickenings, fibers with small pits, fibers thin to thick-walled, parenchyma not to recognize rays 1-3 seriate, heterogeneous with a few prostrate and many rows of upright cells.

Xylem-Code

See annex

Phloem

Sieve tubes and parenchyma in tangential rows, groups of sclerenchyma in tangentially arranged, with prismatic crystals.

Explanations

For explanations please see the Feature Characteristics.

Cross section
 
Tangential section
 
Radial section
  
Bark
 

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