Question

leaves of lotus covered by what ?leaves of lotus covered by what

Answer 1

Many plants are extremely water-repellent owing to their rough textures, which can trap air to provide a waterproof cushioning. In some cases, plant leaves are so repellent that no droplets can stick at all; instead, they simply bounce and roll off.

Answer 2

Answer:

The lotus leaves have nanostructures on their surfaces. These nanostructures are coated with hydrophobic wax crystals approximately 1 nm in diameter. This makes the surface at the nanoscale quite rough. This rough surface is more hydrophobic than a smooth surface would be.