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Wolffia australiana

Tiny Duckweed

Swollen rootless perennial herb consisting of single leaf-like body. Upper surface elliptic, shiny green, convex, floating on surface. Individual plants form a dense mat.

Additional information

  • FamilyAraceae (syn. Lemnaceae)
  • StoreyLower storey
  • Size1 mm long x 2 mm deep
  • Plant groupingAquatic & Semi aquatic
  • Flower colourGreen
  • Flowering timeRare
  • FlowersOne male and one female flower erupting from pouch on side. Reproduction from budding of new plants from pouch. Australia's smallest flowering plant.
  • Bird attractingLeaves
  • Butterfly attractingNo
  • Frog habitatNo
  • Growing conditionsFresh or stagnant water to 30 cm deep in ponds and watercourses. Full sun, semi-shade.
  • Garden useTiny plant for ponds or aquariums, mats providing hiding places for fish.
  • Commercially availableNever
  • Conservation statusSignificant within the Shire. Known from the Yarra Flats area. Scattered in Victoria
Photographer/s: Marilyn Bull ©

Plant Communities

  • 35 Floodplain Wetland Complex (EVC 172)
  • 47 Open Water - Reservoirs, lakes, etc (EVC 718)
  • 39 Sedge Wetland Complex (EVC 136)
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