Ozothamnus diosmifolius

Rice Flower, White Dogwood, Sago Bush at Ainslie, ACT

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Ozothamnus diosmifolius BettyDonWood 9 Dec 2016
Ozothamnus diosmifolius BettyDonWood 9 Dec 2016
Ozothamnus rosmarinifolius BettyDonWood 9 Nov 2016
Unverified SilkeSma 8 Oct 2016

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Significant sighting

MichaelMulvaney noted:

4 Jan 2017

Sago Bush although common on the NSW coast has only twice been recorded in the ACT, both via CNM. The other record was by Michael Bedingfield on Tuggeranong Hill - this is a first for north ACT.

19 comments

   9 Oct 2016
Possibly a Cassinia. A photo when the flowers are right out would be a lot easier to ID.
   10 Nov 2016
Two more photos, but the flowers are still not quite out.
   10 Nov 2016
This is a very tentative ID. I would prefer to see photos when the flowers are a lot more mature.
   10 Nov 2016
Silke if you could keep an eye on this and photograph again when in full flower that would be great Ozothamnus rosmarinifoloius is currently only known from one location in the ACT, Rolley's Flat in Namadgi
   10 Nov 2016
Yes, I'll certainly do that. I'm quite curious myself ever since I saw it first.
   9 Dec 2016
Finally, we have a flower!
   10 Dec 2016
Ozothamnu diosmifolius has been recorded on Tuggerang Hill in 2000. I have always thought of it as a coastal species, where it is very common. I have never seen it with pink buds before. Michael Mulvaney is away on holiday. If anyone out there has a collecting licence, could you pick a bit including stem, leaves and flowers, and take it into ANBG for confirmation.
   19 Sep 2017
I'm currently updating the Mts Ainslie Majura Flora list. I wonder whether a specimen was brought to the ANBG for id? Ozothamnu diosmifolius is not listed on the ACT Census of Vascular plants so I think there might be some interest...
W
   19 Sep 2017
I think Silke is away at the moment, so not sure if a specimen was lodged. Also the pink form, single plant and it's Mt Ainslie location makes me wonder whether it may be a garden escapee, but then Micahel B did find another shrub at a more isolated location on Tuggernong Hill.
   19 Sep 2017
thanks Michael
there is a cultivar Ozothamnus diosmifolius ‘Coral Flush’ Rice Flower available in the Garden industry (white forms are also available); see
http://www.gardeningwithangus.com.au/ozothamnus-diosmifolius-coral-flush-rice-flower/
So given the isolated plant and pink form I think you are right reg garden escapee.
   19 Sep 2017
Yes, Probably is a garden escapee, but the precautionary approach is to treat it as a locally rare species until we know otherwise
   5 Oct 2022
Hi there
if no further enlighting info, I'd consider this a cultivar/garden escapee and treat it as a non-local.
Silke have you been there again and collected material for id?
   5 Oct 2022
That is my feeling also for what its worth, however I can't imagine this is spreading so I wouldn't bother with removal.
   5 Oct 2022
thanks tapirlord.
I agree that it is unlikely to spread significantly but where there is one ...
I'm concerned about how to list this garden escapee on our Flora list; I do not agree with the rare native status.
   5 Oct 2022
Waltraud this opens an interesting debate - with Climate Change we are now getting many tens of Superb Parrots and tens of Swift Parrots feeding on Red Hill. Because they didn't naturally do this before should we be shooting these birds as not belonging? In my mind it is not to far a jump to think that local plants will also change distribution with climate change and that plants that used to be at or close to their distribution limit in the ACT, such as Sago Bush, may spread. What we need to monitor is if this spread is detrimental or beneficial re overall local biodiversity. There are remnant patches of Sago Bush further west than the ACT and it is not impossible that the plant on Mt Ainslie is also a remnant, though admittedly this is unlikely. So I would not be too hasty to remove it.
   5 Oct 2022
Michael et al
this is a misunderstanding: I have no plans to remove the plant physically from Mt Ainslie.
The question for me is what its current status is: CNM considers the status rare local however I think from the info available it is an escaped cultivar. This is not a discussion of whether or not it provides habitat or whether it might provide habitat in the future.
I don't doubt that introduced plants - Australian or Exotic - provide habitat. We on mt majura think long before removing plants including exotics and usually plant first suitable locals before we remove for instance Hawthorn or African Boxthorn thickets.
And of course, parrots go where they find food including the nomadic Swift Parrot; I think the limiting factor for them is the breeding habitat ie suitable tree hollows and suitable tree species in the surrounding of the breeding habitat for food etc...
   6 Oct 2022
Thanks Waltraud - sorry for the mis-understanding. I think you are right to consider it most likely a garden escapee or as I suspect has happened on Red Hill - some-one has planted a non-local native plant in the bush -
   6 Oct 2022
Thanks Michael. We had people planting Opuntia - you can't beat that :-)
   6 Oct 2022
Fig trees. We’ve had Opuntia as well.

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  • 8 Oct 2016 09:07 AM Recorded on
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