Thelymitra circumsepta

Bog Sun-orchid

Perennial herb with fleshy egg-shaped tubers. Slender to stout green stem. Plants scattered.

Additional information

  • FamilyOrchidaceae
  • StoreyLower storey
  • Size15-60 cm high
  • Plant groupingOrchids
  • LeavesErect single lance-shaped dark green leaf 9-40 cm x 8-12 mm, with brownish base, sheathing at base of stem. Leaf thick, fleshy, channelled and ribbed. 2-3 brownish sheathing stem bracts.
  • Flower colourLilac to pale blue or greenish white
  • Flowering timeDecember to January
  • Flowers2-17 flowers to 25 mm across. Sepals firmer than petals. Column white or pinkish with a dark band, tipped yellow or orange; short toothed post-anther lobes surrounded by longer deeply fringed lobes; column arms end in dense tuft of long yellow hairs.
  • Bird attractingNo
  • Butterfly attractingNo
  • Frog habitatNo
  • Growing conditionsMoist swampy soils in woodland or open forest, often in exposed positions. Full sun, semi shade. Occurred in an area of the old Shire of Healesville. The plant community is assumed.
  • Garden useUse of orchids in gardens is not recommended, unless they already occur naturally, in which case they need to be protected. Removing orchids from the bush usually results in their death and further depletes remaining wild orchid populations.
  • Commercially availableRarely
  • Conservation statusVulnerable in Victoria to continued depletion. Recently discovered and very rare in the Shire.
  • Aboriginal Use Food - tuber
Photographer/s: 1 Jeff Jeanes ©; 2 Cathy Powers, NatureShare ©

Plant Communities

  • 30 Swamp Gum Swampy Riparian Woodland (EVC 83)
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