September/October 1999 Mystery Image
Image by Gregory Johnson
Would you believe that it is a cross section of Cyperus alternifolius (umbrella plant) with intense UV-induced blue-green and chlorophyll (red) fluorescence. The cells with intense red fluorescence are mesophyll cells, while the cells which are highly blue fluorescent are part of the leaf's vascular tissue (e.g. xylem and phloem). More info...
It's like having your own microscope! Visit our Zoom Gallery to explore and have fun zooming in and moving around each image.
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