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