Botanical name: Victoria cruziana
Common name: Santa Cruz Water Lily
Family: Nymphaeaceae
Origin: South America
Victoria cruziana can be grown in cooler waters than its sister within the genus, the more familiar giant waterlily Victoria amazonica.
Similar plants: Victoria cruziana (Santa Cruz Water Lily)
Link to this plant:
https://toptropicals.com/catalog/uid/victoria_cruziana.htm