Wax Microchannels in the Epidermis of White Clover

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Science  27 Oct 1967:
Vol. 158, Issue 3800, pp. 505-506
DOI: 10.1126/science.158.3800.505


The application of conventional electron microscopy to the study of plant leaves and fruit readily displays the surface wax deposits, but not the wax pathways from the underlying cells. A modified freeze-etch technique shows both at the same time and indicates that wax is transported from the epidermal cells to the leaf surface in microchannels.