Pollen grains of water pollinated plants are long and ribbon like.
Flowers of water pollinated plants are not colorful or produce much nectar as they do not need to attract insects or birds for pollination. The female flowers of Vallisneria, a fresh water plant, reach the surface of water by a long stalk and make gametes are also released on the surface. Nelumbo nucifera (Indian lotus) is an aquatic plant pollinated by insects.