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Rhanmus pallasii C.A. May

Rhamnaceae

Morphology

N , 100-300cm

Ecology

hill and mountain

Chorology

E-European W-Asian

Xylem

Distinct rings, semi-ring-porous, vessels in irregular radial and dendritic groups, vessel diameter 30 – 50mµ, simple perforations, with thin helical thickenings, fibers with small pits, fibers thick-walled, parenchyma not to recognize and terminal, rays 1-2 seriate, heterogeneous with many prostrate and a few 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 and small crystal druses.

Explanations

For explanations please see the Feature Characteristics Volume 1.

Cross section
 
Tangential section
 

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

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