Nymphaea amazonum

 
 
Having a ring of hairs surrounding the end of the petiole distinquishes N. amazonum from another common water lily here, Nymphaea proliferaBoth commonly have purple specks on the upper surface of the leaves, and have entire, un-toothed, margins, unlike N. pulchella and N. ampla
 
Nyphaeaceae - Nyphaea amazonum - 06.23.2010 - 08.27.41 Nyphaeaceae - Nyphaea amazonum - 06.23.2010 - 08.27.24

  Nyphaeaceae - Nyphaea amazonum - 06.23.2010 - 08.27.47