The water lily has emersed.
The definition of emersed is something that has risen above the surface of water.
An example of emersed is the blossom of a water lily.
having emerged above the surface; specif., standing out above the water, as the leaves of certain aquatic plants
Origin of emersedfrom Classical Latin emersus (pp. of emergere, emerge) + -ed
Rising above the surface of water: emersed aquatic plants.
Origin of emersedFrom Latin ēmersus ; see emersion .
(comparative more emersed, superlative most emersed)