Alnus glutinosa (L.) Gaertn.

Betulaceae


Morphology

P 10-20m

Ecology

hill and mountain

Chorology

eurosibirean

Xylem

Distinct rings, diffuse porous, vessels 30-70 ┬Ám in diameter, vessels in radial multipels ray-vessel pits with small apertures, scalariform perforations with >10 bars, fibers thin to thick walled, fibers with small pits, parenchyma apotracheal-diffuse and marginal, aggregate rays, rays homocellular, rays uniseriate with prostrate cells.

Xylem-Code

See annex

Phloem

Uniserate layers of sieve-tubes an parenchyma cells, few sclereids in cortext and phloem in the continuation of aggregate rays, with crystal druses. Dense phellem with regularly arranged rectangular cells.

Explanations

For explanations please see the Feature Characteristics.

Cross section
 
Tangential section
 
Bark
 

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