The pollination which is accomplished through the agency of water is called hydrophily.
The flowers pollinated by water are known as hydrophilus flower.
Hydrophilous plant are ceratophyllum ,valisnaria ,hydrila etc.
Hydrophilous flower shows following adaptation .
Flowers are small and inconspicuous .
Perianth and other floral oarts are unwettable.
Flowers are with out bright colours, pleasant frogrance and nectar glands .
Pollen grains are naked with coating and are light in weight .
Stigma is long sticky but unwettable .
Flowers are usually unisexual and open under water or at the surface of water .
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