Snowflake Waterlily

Robust perennial with floating stolons and leaves; stems to several metres long; leaves and inflorescence terminal but sometimes stems branched.
Leaves with lamina almost circular with a radial slit, to 30 cm diam., margins entire; shortly petiolate.
Flowers numerous, heterostylous; pedicels 2–8 cm long, often emergent through the radial slit in leaves. Calyx 6–8 mm long. Corolla to 18 mm long, white with yellow or orange at base, bearded inside. Seeds 1–2 mm long, smooth, straw-coloured.