471B-4-Tetrarrhena-juncea-fol-Marilyn-Gray.jpg

Tetrarrhena juncea

Forest Wire-grass

Wiry, many-branched trailing or climbing perennial rooting at nodes and from underground stems. Stems rough from backward facing bristles.

Additional information

  • FamilyPoaceae
  • StoreyLower storey
  • Sizestems 2-5 m long
  • Plant groupingGrasses, Rushes & Sedges
  • LeavesFlat rough leaves 1-8 cm x 2-5 mm, distantly scattered along stems, sometimes absent from lower stems.
  • Flower colourPurplish
  • Flowering timeNovember to April
  • Flowers5-16 1-flowered spikelets in a spike-like flowerhead 2-7 cm long; spikelet 4.5-6.5 mm, sterile floral bract blunt.
  • Bird attractingNo
  • Butterfly attractingFood plant for caterpillars
  • Frog habitatNo
  • Growing conditionsMoist soils, tolerating drying out in summer, in gullies and moist to wet forests and heathy woodlands. Semi shade to full shade.
  • Garden useCreates a rough tangled mass which will climb on shrubs and plants. Excellent habitat plant. Wombats eat the roots. Will need management in a garden situation.
  • Commercially availableIndigenous nursery
  • Conservation statusWidespread within the Shire
  • Related speciesTetrarrhena acuminata can be distinguished by the longer spikelets, from 7 mm which have raised veins & tapering upper sterile floral bract (cf blunt bracts in above species).
Photographer/s: 1, 2 Yarra Ranges Council photo library; 3, 4 Marilyn Bull ©

Plant Communities

  • 02 Shining Gum Montane Wet Forest (EVC 39)
  • 16 Messmate Shrubby Foothill Forest Central Highlands/UpperYarra (EVC 45)
  • 03 Narrow-leaf Peppermint Montane damp Forest (EVC 38)
  • 17 Messmate Herb-rich Foothill Forest (EVC 23)
  • 04 Alpine Ash Montane Wet Forest (EVC 39)
  • 18 Messmate Shrubby Foothill Forest - Dandenongs (EVC 45)
  • 05 Mountain Ash Forest - Central Highlands (EVC 30)
  • 19 Long-leaf Box Herb-rich Foothill Forest (EVC 23)
  • 06 Mountain Ash Wet Forest - Dandenongs (EVC 30)
  • 20 Messmate Lowland Forest (EVC 16)
  • 07 Mountain Grey Gum Damp Forest - Central Highlands (EVC 29)
  • 21 Broad-leaf Peppermint Heathy Dry Forest (EVC 20)
  • 08 Mountain Grey Gum Damp Forest – Dandenongs (EVC 29)
  • 22 Silver-leaf Stringybark Heathy Woodland (EVC 48)
  • 09 Myrtle Beech Cool Temperate rainforest (EVC31)
  • 29 Green Scentbark Herb-rich Foothill Forest (EVC 23)
  • 10 Southern Sassafras Cool Temperate rainforest (EVC 31)
  • 30 Swamp Gum Swampy Riparian Woodland (EVC 83)
  • 11 Manna Gum Riparian Forest - Central Highlands (EVC 18)
  • 31 Candlebark Grassy Forest (EVC 128)
  • 12 Manna Gum Riparian Forest - Dandenongs (EVC 18)
  • 32 Silvertop Ash Shrubby Foothill Forest (EVC 45)
  • 13 Manna Gum Riparian Forest - Upper Yarra (EVC 18)
  • 36 Scented Paperbark Riparian Thicket – Central Highlands (EVC 59)
  • 15 Scented Paperbark Riparian Thicket - Middle & Upper Yarra (EVC 59)
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