[2] Nymphaea immutabilis is an annual or perennial plant with globose rhizomes.

[2] The type specimen was collected by S. Jacobs and J. Clarkson near Mareeba, Queensland, Australia on the 26th of July 1987.

[8][9] The specific epithet immutabilis, meaning unchanging, references the floral colouration, which does not change as the flower ages.

[3] The NCA status of Nymphaea immutabilis is Special Least Concern (SL).

[10][11] It occurs in swamps,[6] permanent, or temporary waters,[3] billabongs, streams, and rivers.