Isolepis fluitans var. fluitans

Floating Club-rush

Slender perennial herb, erect and tufted, spreading or submerged with lengthening stems. Stems weak and leafy.

Additional information

  • FamilyCyperaceae
  • StoreyLower storey
  • Sizeto 15 cm high
  • Plant groupingAquatic & Semi aquatic
  • LeavesPale green thread-like leaves along stems.
  • Flower colourPale green to straw coloured
  • Flowering timeOctober to February
  • FlowersSingle, flattened, elliptic spikelet 3-5 mm long at end of stems, with 5-10 flowers. Lower bracts spirally arranged. Leafy bract at base of spikelet generally shorter than spikelet.
  • Bird attractingNo
  • Butterfly attractingNo
  • Frog habitatYes
  • Growing conditionsAquatic or terrestrial in swamps and watercourses. Semi-shade.
  • Garden useA dainty little rush for small water features.
  • Commercially availableWholesale only - order in advance
  • Conservation statusLocally common within its preferred growing conditions
  • Related speciesIsolepis fluitans var. lenticularis has been collected from below Millgrove/Warburton area. An aquatic herb, it differs from var. fluitans in that the floral bracts always exceed the spikelets and offshoots which grow from the flowerhead.
Photographer/s: Marilyn Bull ©

Plant Communities

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  • 39 Sedge Wetland Complex (EVC 136)
  • 30 Swamp Gum Swampy Riparian Woodland (EVC 83)
  • 41 Swamp Paperbark Riparian Thicket (EVC 59)
  • 35 Floodplain Wetland Complex (EVC 172)
  • 47 Open Water - Reservoirs, lakes, etc (EVC 718)
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