desert, dry site
Southern North- America
Indistinct rings (polarized light), diffuse porous, vessels in long radial rows, simple perforation, vessel perforation opposite and gash-like, vessel diameter in earlywood 30µm, fiber pits minutely bordered, fibers thick-walled, apotracheal parenchyma, ray width 1-8, often confluent to fiber tissue, all ray cells upright. with prismatic crystals.
With sieve cell groups outside of vessel/fiber strips. Old sieve cells not collapsed, groups of sclereids in cortex. Prismatic crystals present.
For explanations please see the Feature Characteristics Volume 1.
© 2005 WSL - F. Schweingruber, W. Landolt, last update 18.11.2010