tuberosa is a subspecies of Nymphaea odorata native to the region spanning from Central and Eastern Canada, extending to North Central and Northeastern United States.
[3] The leaves of mature plants float on the water, or extend 2-7 cm above the surface.
[2] The abaxial leaf surface is green or slightly purple.
[4] It has four primary central, and twelve secondary peripheral air canals.
published by John Harry Wiersema & Carl Barre Hellquist in 1994.
[1][4] The lectotype was collected by J.A.Paine in Lake Ontario, near Rochester, USA in Aug 1865.