Ottelia ovalifolia

Family Hydrocharitaceae

Swamp Lily

Tufted aquatic perennial or annual with submerged and floating leaves.

Flowers: White or coloured, November – January. Emergent above water.

Fruit: Indehiscent, 25 – 40 mm long, enclosed in a bladder-like sac containing numerous seeds. Withdraws into water as it matures.


Gallery images: seed, seedling, rootstock, resprout


  • Aquatic habitats, waterholes, creeks, dams in stationary or moving water to 1 m deep.
  • Occasional in dams at the Australian Botanic Garden

Ecology of Cumberland Plain Woodland

Ottelia ovalifolia plant 

Ottellia ovalifolia flower