Diuris sp.

A Donkey Orchid at Carwoola, NSW

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Diuris sp. DerekC 10 Nov 2022
Diuris semilunulata Tapirlord 9 Nov 2022
Diuris nigromontana Tapirlord 8 Nov 2022
Diuris semilunulata MeganDixon 7 Nov 2022

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7 comments

   8 Nov 2022
Not exactly sure where that species occurs outside the ACT.
   8 Nov 2022
I'm not so sure either. I have noticed that a few plants reported around Bluets Block and Sutton look suspiciously like D. nigromontana. I should probably find the paper that describes each species and any that describe how they differ. As for this plant, I don't really know. Based on flowering time, this should theoretically be D. semilunulata.
   8 Nov 2022
ALA doesn't have any records from this area which is perhaps telling. Having come back to this sighting i'm thinking that the flower facing towards us has part of the lateral lobe folded back which makes it appear slim and pointed rather than rounded. Looking at the back of the other flowers the lateral lobes appear to be rounded which I think its a feature of D.semilunulata. The labellum seems very narrow though.
   9 Nov 2022
I would think the dark stem, the high dorsal sepal with the lateral sepals and petals folded back would all suggest D. semilunulata but the midlobe is folded more like D. pardina. These are not easy and variations seem to outnumber the one truer to type. I understand the D. semilunulata type specimen collected in 1942 was from Mt Jerrabomberra.
   9 Nov 2022
Perhaps we should leave this as Diuris sp. unless you are both confident this is D. semilunulata.
   10 Nov 2022
I agree if it is not clear it will be better to leave as Diuris sp. and we can come back to it in any future review.
   10 Nov 2022
Sounds good to me.

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Location information

Sighting information

Collections

Species information

  • Diuris sp. Scientific name
  • A Donkey Orchid Common name
  • Sensitive
  • Local native
  • Non-invasive or negligible
  • Up to 1453.9m Recorded at altitude

Seasonal activity

  • In flower

    J
    F
    M
    A
    M
    J
    J
    A
    S
    O
    N
    D

Record quality

Quality score 3 / 7
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  • More than one media file
  • Nearby sighting(s) of same species
  • Description
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