Growth form: Perennial, rooted aquatic plant with floating leaves.
Flowers: Pale to bright yellow, 80 – 180 mm across, emergent or floating, open during the day, fragrant. Pointed and star-like petals with greenish-yellow sepals. Flowering period: Nov-Feb.
Fruit/seeds: Green berries which grow underwater.
Leaves: Upper surface of the leaves are green, blotched with brown mostly while leaves are young, lower leaf surface green or pinkish-red with reddish blotches, leaf margins are generally wavy and upturned.
Rhizomes & roots: Stout knobbly rhizomes connected by stolons, roots are long, pale and spongy.