Rhizome tuberous. Leaves floating, elliptic to oblong, to about 22 cm long, 6 cm wide. Flower cluster with 2 branches, each with about 10 flowers; more or less year round. Flowers white and fragrant with 1 ovate perianth segment 1-2 cm long. Stamens 6-18.
A pond plant (dams and reservoirs) that is occasionally naturalised overseas. In Australia it has escaped in SA, NSW and Vic.
A. madagascariensis (Mirb.) H.W.E. Bruggen, Lace Leaf (Lattice Leaf) from Madagascar is occasionally sold for the reduced ornamental lace-like leaves; it grows best in moving warm water.
S Africa (Cape).
Source: (2005). Aponogetonaceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.