The Victoria Regia Lily

http://en.wikipedia.org/wiki/Victoria_(plant)
http://www.guyanalive.com/aboutguyana/48/Guyana's_National_Flower
http://www.guyana.org/Guyana_Photo_Gallery/victoriar.htm
http://www.lastrefuge.co.uk/php/show-images-all-big.php?id=AW02714