arid zone, desert
Irano-Turanian - Saharo-Arabian
Distinct rings, ring porous, vessels mostly solitary, vessel diameter in earlywood 100- 180µm, vessel frequency 100-200 mm2, simple perforations, fibers with small, minutely bordered pits, vestured pits, paratracheal and apotracheal parenchyma, storied axial parenchyma, homocellular and heterocellular rays width 3-4 cells, ray cells with few crystal druses.
No tangential layers of collapsed sieve cells, tangential rows of sclerenchymatic groups. With crystal druses.
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010