Asclepias syriaca L.

Asclepiadaceae


Morphology

Hemicryptphyte

Ecology

hill

Chorology

North America

Xylem

Rings distinct, diffuse and semi-ring porous, vessels in groups, simple perforations, thin-walled fibers, marginal and intraannual tangential bands of parenchyma, unlignified rays with 2 to 6 cells. With crystal druses

Xylem-Code

See annex

Phloem

No slide available

Remarks

Michigan, USA, Botanical Garden. Leg. Dietz

Explanations

For explanations please see the Feature Characteristics.

Cross section
    
Tangential section
 
Radial section
 

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