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Both marine and freshwater forms include those with staminate flowers that detach from the parent plant and float to the surface where they become pollinated.
In others, pollination occurs underwater where pollen may form elongated strands, increasing chance of success.
Most aquatic species have a totally submerged juvenile phase, and flowers are either floating or emergent.
Vegetation may be totally submersed, have floating leaves, or protrude from the water.
Collectively they are commonly known as " water plantain ".

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