Nymphaea georginae S.W.L.Jacobs & Hellq.

Perennial with a globular rhizome c. 4 cm diam. Leaf lamina orbicular to elliptic, to 60 cm diam., dentate with regularly-spaced narrow-triangular to triangular teeth to 2–4 mm long; undersurface hairy. Flowers to 30 cm above the water, fragrant. Sepals 4, to 6.5 cm long, obtuse, green outside with purple streaks, streaks occasionally obscuring the green. Petals mostly 12–26, oblanceolate to spathulate, 4–7 cm long, 2–3.5 cm wide, white or, less commonly, blue, rarely pink, and fading with age, when blue, most of the petals coloured, not just the outer petals. Stamens mostly 150–250; filaments cylindrical, to 25 mm long; anthers to 6 mm long, appendages vestigial or obsolete. Carpels 7–19; sterile stigmatic lobes vestigial or obsolete Fruit globose, c. 4 cm diam. Seeds globose to subglobose, (1.5–) 2.5–4 mm diam., with often interrupted rows of short hairs c. 0.1–0.15 mm long.

Grows in the billabongs and flood channels of the upper parts of northern rivers flowing into the Lake Eyre system. These waterbodies may hold water for over 1 year but also are frequently dry for more than 1 year.