30 micron slice of redbay stem

Tyloses are bladder-like or balloon-like projections that block the xylem. In this photo you can see a tan ball inside one of the xylem cells (large openings). It’s almost right in the center. These are what essentially kill the plants in the cases of laurel wilt and Dutch elm disease.

Micrograph and words by PhD candidate student Stephanie Adams.

Posted in fieldwork.