Question

why don't the leaves of lotus plant rot in water

Answer 1

because of its structure..


It has more surface which contact with water ,,,,,,,,

making it to flow on water

Answer 2

They are hydrophytes that live in water, their leaves have a thick fingernail skin covering that make them water repellent and on the grounds that when osmosis happens in leaves the cell divider makes a point of confinement that is on account of the cell doesn't blast up and decay up. 

Lotus leaves shake off the water. Many plants are to a great degree water-repellent attributable to their unpleasant surfaces, which can trap air to give a waterproof padding.