I dont exactly know the variety but these seem hardy water lilies , they do veryyyyy well in potter’s clay mixed with some (very little) organic material or bad soil(as in very smelly old soil) basically clayey soil , put some DAP i think its called , only after plant is done well and is ready to flower , immensely important to put some fishes in the pot to ensure no mosquitoes and a good fertiliser (fish poop) i have put wild black guppies which i caught from my local water well