Nuphar luteum

Nuphar luteum:

NUPHAR LUTEUM (L.) Sibth. et Sm.
Nannufero, yellow water lily
Aquatic plant. Small, large, heart-shaped leaves with long angular petioles depending on the depth of the water. Solitary floating flowers, with 5-6 sepals large golden yellow ovals and numerous small scaly petals. Flower. : V - VIII. It grows in lakes, swamps, slow-flowing canals from the plain to 1000 m.