I'm studying the microstructure of lotus plants, which creates
the "lotus effect" (see http://www.botanik.uni-bonn.de/system/lotus/en/lotus_effect_html.html)
. The lotus effect explains why water (or even honey) rolls right
off the lotus. There are millions of tiny mounds on the lotus
leaf, each with hundreds of even smaller (nanoscale) wax crystals.
This surface does not allow liquid to make intimate contact with
Since I have been unable to find mature lotus leaves in winter, I am growing my own plants from seed (photo above). Even though the small leaves exhibit superhydrophoebicity, I think the microstructure may develop into more evenly spaced, similarly sized structures as the plants grow.
Click image to enlarge
Click here for high resolution image