Chiloglottis trapeziformis

Diamond Ant Orchid at Point 5438

Chiloglottis trapeziformis at Point 5438 - suppressed
Chiloglottis trapeziformis at Point 5438 - suppressed
Chiloglottis trapeziformis at Point 5438 - suppressed
Chiloglottis trapeziformis at Point 5438 - suppressed
Chiloglottis trapeziformis at Point 5438 - suppressed
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Identification history

Chiloglottis trapeziformis 28 Sep 2015 TonyWood
Chiloglottis trapeziformis 28 Sep 2015 AaronClausen

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Significant sighting

MichaelMulvaney noted:

29 Sep 2015

Rarely recorded orchid only known from a few locations in the ACT

9 comments

AaronClausen wrote:
   29 Sep 2015
Tony and Tobias what do you think these are???
MattM wrote:
   29 Sep 2015
Are these on the south side? There are thousands of Chiloglottis on the south side.
AaronClausen wrote:
   29 Sep 2015
Yeah kind of South facing, but part of bush fire regime surveying.
MattM wrote:
   30 Sep 2015
Rare? How so? I thought it was a common orchid on Black Mountain's south facing slopes. I've even found some growing in a drain!
TonyWood wrote:
   30 Sep 2015
I would not call them rare, and plenty to be found in sheltered gullies on BM, but not much elsewhere to date in the ACT.
AaronClausen wrote:
   30 Sep 2015
This is a good discussion guys, also what about C. trilabra numbers on Black Mountain versus C. trapeziformis?? I have seen thousands of Chiloglottis leaves on BM (yes in the gullies etc), but had assumed they were C. trilabra? Or is it the other way around?
MattM wrote:
   30 Sep 2015
I'm not sure. It might even be a mix. It's certainly hard to tell when "only a small proportion of plants in a colony produce flowers". I happened to visit one of my bush fire sites today, and half of it had Chiloglottis leaves, including flowering trapeziformis.
AaronClausen wrote:
   30 Sep 2015
Ok interesting Matt. Well I think we have plenty of more mapping to do then to paint a better picture of their distribution...!
TonyWood wrote:
   30 Sep 2015
Neither are especially common. But both are colony forming and when they appear it can be in large numbers. As colonies they tend to have a relatively small proportion of flowering plants. Their flowering times of course are quite different.

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