හීන් ඇඹල/හීන් ඕලු [Heen ambala/Heen olu]/Crested snowflakes/Floating heart(Nymphoides hydrophylla)

An indigenous aquatic herb occurs in the dry lowland ponds and stagnant pools from sea level to about 150 m a.s.l. Very common in the Trincomalee district.  Flowering throughout the year.