Photo: Victoria 0.

Botanical name: 
Photo: Victoria.

'Longwood Hybrid'. Leaf. The spines on the underside of the leaf are toxic - I know because the locals warned us away from them, in Brazil. Kew Garden, London, UK. Greenhouse. 2004-06-04.

Victoria Lindl.
Engl.: giant water lily, royal water-lily, Victoria-lily.
Suom.: jättilumme.
Sven.: jättenäckros