Rings distinct, semi-ring porous, vessels solitary or in groups, simple perforations, thin-walled fibers, apotracheal and paratracheal parenchyma, uniseriate and biseriate rays with upright cells. Druses in pith. Few groups of sieve cells at the beginning of secondary xylem.
With groups of sclereids, With crystal druses in cortex and phloem.
In sagebrush steppe, Grand Junction Colorado, USA
For explanations please see the Feature Characteristics.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010