The surface of a cactus leaf shows many stomata, openings that can be closed by a pair of guard cells. This image was taken from a nail-varnish cast of the surface of the plant. The colours were created with Rheinberg illumination.
The surface of a cactus leaf shows many stomata, openings that can be closed by a pair of guard cells. This image was taken from a nail-varnish cast of the surface of the plant. The colours were created with Rheinberg illumination. |
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