Diplodium laxum

1 Antelope greenhood at Googong, NSW

Diplodium laxum at Googong, NSW - 19 Apr 2020
Diplodium laxum at Googong, NSW - 19 Apr 2020
Diplodium laxum at Googong, NSW - 19 Apr 2020
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Identification history

Diplodium laxum 19 Apr 2020 MattM
Diplodium laxum 19 Apr 2020 MattM
Dipodium sp. 19 Apr 2020 Wandiyali
Diplodium ampliatum 19 Apr 2020 MattM
Pterostylis falcata 18 Apr 2020 Wandiyali
Pterostylis sp. 18 Apr 2020 Wandiyali

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7 comments

MattM wrote:
   19 Apr 2020
Prerostylis falcata is found at higher altitudes in the mountains, and typically flowers November to January. Given the flowering time I would say this is either Diplodium laxum or revolutum. Laxum has a black labellum and long sepals that tend to trail out and curve fluidly. Revolutum is a bit larger, and its petals are more erect, as in your plant.
Wandiyali wrote:
   19 Apr 2020
Great, thanks Matt.
CathB wrote:
   19 Apr 2020
I think this might be D. laxum. The free tip of the dorsal sepal looks a bit long for revolutum. Is there any chance you could get a photo of the labellum and any leaf rosettes?
MattM wrote:
   19 Apr 2020
I have seen a couple of revolutum with longer tips. There are even a few on nature map, but they are pretty uncommon.
Wandiyali wrote:
   19 Apr 2020
thanks for the comments, have added two photos (the nearby rosette looked to me like an orchid rosette but may not be so, the flowering stems had no discernible rosette). Found another flower and the labellum looks dark.
MattM wrote:
   19 Apr 2020
Cath wins. That's laxum for sure.
TobiasHayashi wrote:
   23 Apr 2020
Nice sighting!

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Location information

Sighting information

  • 5 Abundance
  • 19 Apr 2020 03:44 PM Recorded on
  • Wandiyali Recorded by

Additional information

  • True In flower
  • 10cm to 30cm 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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