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Photographic gallery.  Thousands of particles under the microscope.
Taxus brevifolia, Pacific Yew Radial Section Under the Microscope

Taxus brevifolia, Radial-Section

This is an image from a stained standard section of Taxus brevifolia made by John P. Limbach of Ripon, Wisconsin. This shows the helical thickening in Yew tracheids. The spacing tends to be much more irregular than in Douglas fir tracheids.

Transmitted Brightfield Illumination

Definition/Function:

Significance in the Environment:

Characteristic Features:

Associated Particles:

References:

Core, H.R., W.A. Cote, and A.C. Day, WOOD STRUCTURE AND IDENTIFICATION, Syracuse Wood Science Series, Vol. 6, 1979.