A Greenhood at Hackett, ACT
Identification history
| Pterostylidinae (greenhood alliance) | 26 May 2020 | MattM | ||
| Pterostylidinae (greenhood alliance) | 26 May 2020 | petersan |
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User's notes
Not common in this barren looking part of Majura!
9 comments
MattM
wrote:
26 May 2020
I think these are Diplodium, but they are spaced out a little with pointed leaf tips so could be Speculantha.
petersan
wrote:
26 May 2020
Yes, we have speculated on this in other sightings - frustrating that flowering seems so rare. I am amazed by the number of rosettes appearing this year in quite large colonies.
waltraud
wrote:
26 May 2020
Peter, Matt
would it make sense to place wire mesh guards and hope that flowers develop at some stage?
would it make sense to place wire mesh guards and hope that flowers develop at some stage?
petersan
wrote:
26 May 2020
I doubt it. Even where they are covered there are no flowers to date. It would be interesting to discover what conditions actually encourage flowering.
MattM
wrote:
26 May 2020
My understanding is that cages are generally pretty bad as they allow other plants to thrive and smother the orchids without grazing pressure. If it's Diplodium or Speculantha you would be waiting for a year before the next possibility of flowers. If it's Prerostylis you will only have to wait a few months.
waltraud
wrote:
27 May 2020
Okay Matt - we do have an overgrazing problem at Mt Majura; however, whenever we install protection, native grass/groundcover thrives. And yes, Kangaroo grass in one of the fenced Canberra Spider orchid site spread and shades out the orchids...
petersan
wrote:
27 May 2020
I wonder how long since anyone checked inside the enclosures? One might expect to find rosettes as well as leaves of Gossodia, and Eriochilus which are flourishing elsewhere as well as Caladenia if they are supposed to be under the cages. Cages elsewhere are of course showing Caladenia leaves. I would like to see and be part of a survey of the enclosed areas.
MattM
wrote:
27 May 2020
I think cages are probably fine as long as they are only used during the flowering period. Just need to remember to remove them afterwards. There are probably studies on the use of cages.
waltraud
wrote:
27 May 2020
Peter, I have given up trying to help or communicate with CPR about the Spider orchids in the enclosures. Close to impossible to receive a reply. Greg Baines, the previous plant ecologist at CPR has moved to Offsets - I don't know who is now responsible. Several years ago I did some repair of the fence, removed a fallen Casuarina from the fence and blocked holes at the bottom with rocks etc.
Unfortunately, there seems no interest to involve volunteers ...
Unfortunately, there seems no interest to involve volunteers ...
Location information
- Maps Mount Majura
- Places Hackett, ACT
Sighting information
- 101 - 1,000 Abundance
- 26 May 2020 10:40 AM Recorded on
- petersan Recorded by
-
Collections
Plants Orchids petersan
Species information
- Pterostylidinae (greenhood alliance) Scientific name
- A Greenhood Common name
- Sensitive
- Local native
- Non-invasive or negligible
- Machine learning
-
In flower
