Senecio madagascariensis

Madagascan Fireweed, Fireweed at Flynn, ACT

Senecio madagascariensis at Flynn, ACT - 10 Sep 2021
Senecio madagascariensis at Flynn, ACT - 10 Sep 2021
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Identification history

Senecio madagascariensis 21 Sep 2021 MichaelMulvaney
Senecio madagascariensis 20 Sep 2021 Tapirlord
Unidentified 20 Sep 2021 Rosie

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Significant sighting

MichaelMulvaney noted:

21 Sep 2021

This is a highly invasive plant and catching it when there is only one plant is the best way to prevent it from becoming a major problem at that location

User's notes

On a Flynn nature strip. Leaves' edges tend to curl.

6 comments

Tapirlord wrote:
   20 Sep 2021
I think this is bad news sorry Rosie, if confirmed it'll need to be removed ASAP.
   21 Sep 2021
Thanks Rosemary - are you able to remove and bag this plant?
Rosie wrote:
   21 Sep 2021
I've returned to the site this morning Michael (21st September) The nature strip area has been whipper-snipped. There's one partly damaged flowerhead and three finished flowerheads retrieved. There were two plants and the tops of their branches were shredded. They are now 'potted on'. If they recover I'll be able to see the leaves more clearly, and the flowers. If you'd rather I killed them off properly I'm happy to do that.
   21 Sep 2021
Thanks I think kill the ones you know where they are and check the site again in a few weeks - I have also passed this record onto Parks so they may get in touch with you
Rosie wrote:
   21 Sep 2021
Thanks Michael. And I meant to include that I would monitor the site.
I suspect the seeds came in on a parked vehicle or trailer at some time. Is it known whether S. madagascariensis seeds germinate at the first opportunity or are they in the seed bank for a period after dispersal?
   21 Sep 2021
Seedlings will emerge over time rather than all together see
https://caws.org.nz/PPQ1112/PPQ%2011-1%20pp014-19%20Sindel.pdf

Thanks

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Location information

Sighting information

Additional information

  • 1-2cm Flower dimension
  • 10cm to 30cm Plant height
  • True In flower

Species information

Record quality

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  • 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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