Gastrodia sp.

Potato Orchid at Cotter River, ACT

Gastrodia sp. at Cotter River, ACT - 7 Dec 2018
Gastrodia sp. at Cotter River, ACT - 7 Dec 2018
Gastrodia sp. at Cotter River, ACT - 7 Dec 2018
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Identification history

Gastrodia sp. 4 Jan 2019 MichaelMulvaney
Gastrodia surcula 7 Dec 2018 JohnBundock
Gastrodia sesamoides 7 Dec 2018 JohnBundock

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User's notes

Single plant. A pair a few metres away. The altitude given is incorrect. It would be over 1,200 metres.

2 comments

TobiasHayashi wrote:
   13 Dec 2018
Hmm G sesamoides and surcula are hard. I know that its supposed to be only surcula at higher elevations in the ACT, Tony knew them from the Ginini area. However this to me looks more like G sesamoides...based on the more warty flowers, more pointed rather than rounded labellum midlobe. I think G surcula is supposed to have fewer, more well spaced flowers compared to G sesamoides. Its also supposed to be clonal and have a network of rhizomes which doesn't help field ID of course. Maybe I will confirm as G sp. unless someone is confident it is G surcula?
TobiasHayashi wrote:
   13 Dec 2018
Linked is a paper discussing possible Tasmanian G surcula:
http://www.ecotas.com.au/wp/wp-content/uploads/2014/05/potato-orchid.pdf

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Location information

Sighting information

  • 3 Abundance
  • 7 Dec 2018 03:38 PM Recorded on
  • JohnBundock Recorded by

Additional information

  • True In flower
  • 30cm to 1 metre Plant height

Species information

Record quality

  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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