Callitriche sonderi

Matted Water Starwort

Mat-forming, mostly terrestrial, annual herb.

Additional information

  • FamilyPlantaginaceae (syn. Callitrichaceae)
  • StoreyLower storey
  • Sizeprostrate x 10 cm
  • Plant groupingAquatic & Semi aquatic
  • LeavesTiny narrowly egg-shaped dark green leaves, broader towards tip, 0.8-5 mm x 0.5-1.5 mm, faintly 3-veined.
  • Flower colourFruit dark brown
  • Flowering timeSeptember to December
  • FlowersFlowers paired, tiny male and female flower in opposite leaf axils, male flowers reduced to 1 stamen, female to 2 styles and ovaries. Very narrow wing on fruit.
  • Bird attractingNo
  • Butterfly attractingNo
  • Frog habitatNo
  • Growing conditionsMoist to wet soils on floodplains. Dappled and full shade.
  • Garden useSuitable for bog gardens and pond edges.
  • Commercially availableNever
  • Conservation statusSignificant within the Shire. Known from very few local sites. Generally scattered on waterways in Victoria, especially the Murray River.
Photographer/s: 1 Damien Cook ©; 2, 3 Neil Blair, Royal Botanic Gardens Board ©; 4 Murray Fagg © Australian National Botanic Garden

Plant Communities

  • 35 Floodplain Wetland Complex (EVC 172)
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