Carex inversa

Knob Sedge

Loosely tufted sedge spreading from long underground stems. Flowering stems erect, rounded, to 50cm high, leafy bract much longer than flowerhead.

Additional information

  • FamilyCyperaceae
  • StoreyLower storey
  • Size10-50 cm high
  • Plant groupingGrasses, Rushes & Sedges
  • LeavesBright green grass-like leaves, to 2 mm wide, shorter than flowering stems. Sheath dark brown, remaining as fibrous tatters, appendage rounded.
  • Flower colourWhitish to pale yellow-brown with green midrib
  • Flowering timeSeptember to April
  • FlowersErect flowerhead 0.7-3 cm long; 2-6 oval stalkless spikes to 10 mm long, bisexual, 1 per node, clustered. Fruit broadly oval, strongly veined, wrinkly, green to yellow, tip split.
  • Bird attractingNo
  • Butterfly attractingNo
  • Frog habitatYes
  • Growing conditionsMoist well drained soils in grassland and open forest beside watercourses. Full sun, semi shade.
  • Garden useUseful in moist areas of the garden, not tolerating inundation.
  • Commercially availableIndigenous nursery
  • Conservation statusSignificant within the Shire. Known from very few local sites. Common and widespread in Victoria.
Photographer/s: 1, 2, 4 Marilyn Bull ©, 3 Ken Harris ©

Plant Communities

  • 30 Swamp Gum Swampy Riparian Woodland (EVC 83)
  • 39 Sedge Wetland Complex (EVC 136)
  • 08 Mountain Grey Gum Damp Forest – Dandenongs (EVC 29)
  • 43 Buxton Gum Swampy Riparian Woodland (EVC 83)
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