Nymphaea lingulata is a species of waterlily native to Bolivia, Brazil, and Paraguay.

[4] The glabrous, reddish peduncle has 5-6 primary central and 10−12 secondary peripheral air canals.

[4] The ovoid, ruminate, pilose seeds have trichomes arranged in continuous longitudinal lines.

[3] Field observations contradict these findings, stating that the main mode of reproduction relies on stolon formation.

[1] The type specimen of was collected by Wiersema, Horn, and de Ataide Silva in Maranhão, Brazil, from a pond between Teresina and Caxias on the 28th of June 1982.