Senecio madagascariensis

Madagascan Fireweed, Fireweed at Watson, ACT

Senecio madagascariensis at Watson, ACT - 9 Nov 2020
Senecio madagascariensis at Watson, ACT - 9 Nov 2020
Senecio madagascariensis at Watson, ACT - 9 Nov 2020
Senecio madagascariensis at Watson, ACT - 9 Nov 2020
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Identification history

Senecio madagascariensis 12 Nov 2020 waltraud
Senecio madagascariensis 11 Nov 2020 waltraud
Unidentified 9 Nov 2020 waltraud

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User's notes

A single plant.

11 comments

waltraud wrote:
   10 Nov 2020
I hope I'm wrong with the id.
w
Mike wrote:
   10 Nov 2020
You need to suggest something or the weeds people won't be alerted. I can't see details of the bracts but if there are 19-21 bracts and 13-15 petals and you suggest Madagascan fireweed someone will take a look and remove it.
Mike wrote:
   11 Nov 2020
It doesn't look quite the same as the unidentified yellow daisy Senecio pinnatifolius var. pinnatifolius - the leaves are different.
waltraud wrote:
   11 Nov 2020
I agree Mike, they are different.
After more internet research I'm now pretty sure it is Senecio madagascariensis.
I searched the area but couldn't find more (flowering) specimen.
waltraud wrote:
   12 Nov 2020
Species id confirmed by Mulvaney and Taylor. I removed & disposed of the specimen and checked immediate surrounds for more - I could not find more however non-flowering seedlings might be present.
   30 Nov 2020
Thanks Waltraud - there seems to be plants appearing in north Canberra. I wonder what the source is?
waltraud wrote:
   30 Nov 2020
no idea Michael also I.m not sure how far the seeds blow...
Mike wrote:
   30 Nov 2020
I thought it came from landscaping in Crace and despite major efforts to control it the plants have travelled along the tramline. It would easily blow over from Nortbourne Avenue.
waltraud wrote:
   30 Nov 2020
Couple of CNM records of the species for Mul flat but not Gungahlin subs.
Mike wrote:
   30 Nov 2020
Major infestation occurred before CNM. See https://www.cmtedd.act.gov.au/open_government/inform/act_government_media_releases/tamsd/2012/09/madagascan_fireweed_alert and https://www.cmtedd.act.gov.au/open_government/inform/act_government_media_releases/tamsd/2015/canberrans-urged-to-report-madagascan-fireweed.
waltraud wrote:
   1 Dec 2020
thanks Mike you are such a good source of info :)

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Nearby sightings

Page 1 of 2 - image sightings only

Eucalyptus melliodora (Yellow Box) at Mount Majura - 10 Mar 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 10 Mar 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 28 Feb 2024 by waltraud
Rubus anglocandicans (Blackberry) at Mount Majura - 28 Feb 2024 by waltraud
Fraxinus angustifolia (Desert Ash) at Mount Majura - 25 Feb 2024 by MAX
Bursaria spinosa subsp. lasiophylla (Australian Blackthorn) at Watson, ACT - 21 Feb 2024 by waltraud
Bursaria spinosa subsp. lasiophylla (Australian Blackthorn) at Watson, ACT - 21 Feb 2024 by waltraud
Glycine tabacina (Variable Glycine) at Watson, ACT - 21 Feb 2024 by waltraud
Nassella neesiana (Chilean Needlegrass) at The Fair, Watson - 21 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 15 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 15 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 15 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 15 Feb 2024 by waltraud
Plantago varia (Native Plaintain) at Watson, ACT - 15 Feb 2024 by waltraud
Dianella sp. aff. longifolia (Benambra) (Pale Flax Lily, Blue Flax Lily) at Mount Majura - 15 Feb 2024 by waltraud
Lycium ferocissimum (African Boxthorn) at Watson, ACT - 15 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Mount Majura - 15 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Mount Majura - 15 Feb 2024 by waltraud
Rosa rubiginosa (Sweet Briar, Eglantine) at Watson, ACT - 11 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Mount Majura - 11 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 11 Feb 2024 by waltraud
Carex inversa (Knob Sedge) at Mount Majura - 11 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Mount Majura - 11 Feb 2024 by waltraud
Bursaria spinosa subsp. lasiophylla (Australian Blackthorn) at Mount Majura - 9 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 7 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 7 Feb 2024 by waltraud
Acrida conica (Giant green slantface) at Mount Majura - 7 Feb 2024 by MAX
Vittadinia sp. (Fuzzweed) at Mount Majura - 7 Feb 2024 by waltraud
Hypericum perforatum (St John's Wort) at Watson, ACT - 7 Feb 2024 by waltraud
Rosa rubiginosa (Sweet Briar, Eglantine) at Watson, ACT - 2 Feb 2024 by waltraud
Verbascum thapsus subsp. thapsus (Great Mullein, Aaron's Rod) at Mount Majura - 2 Feb 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jan 2024 by waltraud
Nassella trichotoma (Serrated Tussock) at Mount Majura - 31 Jan 2024 by waltraud
Pachycephala rufiventris (Rufous Whistler) at Mount Majura - 15 Dec 2023 by brettguy80
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 11 Dec 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 11 Dec 2023 by waltraud
Coryphistes ruricola (Bark-mimicking Grasshopper) at Mount Majura - 11 Dec 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Mount Majura - 11 Dec 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 4 Sep 2023 by abread111
Nassella neesiana (Chilean Needlegrass) at Watson, ACT - 4 Sep 2023 by abread111
Nassella neesiana (Chilean Needlegrass) at Watson, ACT - 4 Sep 2023 by abread111
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 4 Sep 2023 by abread111
Nassella neesiana (Chilean Needlegrass) at Watson, ACT - 4 Sep 2023 by abread111
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 4 Sep 2023 by abread111
Bursaria spinosa subsp. spinosa (Blackthorn, Boxthorn) at Watson, ACT - 28 Aug 2023 by abread111
Chrysocephalum semipapposum (Clustered Everlasting) at Watson, ACT - 21 Aug 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 21 Aug 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 21 Aug 2023 by waltraud
Bursaria spinosa subsp. spinosa (Blackthorn, Boxthorn) at Watson, ACT - 21 Aug 2023 by abread111
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 21 Aug 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 21 Aug 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 11 Aug 2023 by waltraud
Bursaria spinosa subsp. spinosa (Blackthorn, Boxthorn) at Watson, ACT - 11 Aug 2023 by abread111
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by waltraud
Hesperocyparis macrocarpa (Monterey Cypress) at Watson, ACT - 31 Jul 2023 by abread111
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by abread111
Bursaria spinosa subsp. lasiophylla (Australian Blackthorn) at Watson, ACT - 31 Jul 2023 by abread111
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by waltraud
Bursaria spinosa subsp. lasiophylla (Australian Blackthorn) at Watson, ACT - 31 Jul 2023 by abread111
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by abread111
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 31 Jul 2023 by waltraud
Eucalyptus aggregata (Black Gum) at Watson, ACT - 24 Jul 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 24 Jul 2023 by waltraud
Nassella neesiana (Chilean Needlegrass) at Watson, ACT - 12 Jul 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 10 Jul 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 30 May 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 30 May 2023 by waltraud
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 30 May 2023 by waltraud
Nassella neesiana (Chilean Needlegrass) at Watson, ACT - 3 Dec 2022 by waltraud
Nassella neesiana (Chilean Needlegrass) at Watson, ACT - 28 Nov 2022 by abread111
Ornithogalum umbellatum (Star of Bethlehem) at Watson, ACT - 4 Oct 2022 by HappyWanderer
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 21 Sep 2022 by waltraud
Bursaria spinosa (Native Blackthorn, Sweet Bursaria) at Watson, ACT - 7 Mar 2022 by waltraud
Rutidosis leptorhynchoides (Button Wrinklewort) at Watson, ACT - 7 Mar 2022 by waltraud
Lactuca serriola (Prickly Lettuce) at Watson, ACT - 6 Mar 2022 by waltraud
Hypericum perforatum (St John's Wort) at Watson, ACT - 6 Mar 2022 by waltraud
Macrolepiota dolichaula (Macrolepiota dolichaula) at Watson, ACT - 6 Mar 2022 by waltraud
Nassella neesiana (Chilean Needlegrass) at Watson, ACT - 10 Feb 2022 by waltraud
Egernia cunninghami (Cunningham's Skink) at Watson, ACT - 8 Feb 2022 by waltraud
Pterodontia mellii (Hunchback Fly, Small-headed Fly) at Watson, ACT - 12 Dec 2021 by WalterEgo
Nassella trichotoma (Serrated Tussock) at Watson, ACT - 18 Nov 2021 by waltraud
Chrysolina quadrigemina (Greater St Johns Wort beetle) at Watson, ACT - 23 Oct 2021 by MAX
Acacia paradoxa (Kangaroo Thorn) at Watson, ACT - 12 Sep 2021 by MAX
Bulbine bulbosa (Golden Lily) at Watson, ACT - 9 Aug 2021 by waltraud
Gloeophyllum at Watson, ACT - 17 May 2021 by MAX
Lavandula stoechas (Spanish Lavender or Topped Lavender) at Watson, ACT - 18 Jan 2021 by waltraud
Lycium ferocissimum (African Boxthorn) at Watson, ACT - 9 Jan 2021 by waltraud
Nassella neesiana (Chilean Needlegrass) at Watson, ACT - 9 Jan 2021 by waltraud
Geranium sp. Pleated sepals (D.E.Albrecht 4707) Vic. Herbarium at Watson, ACT - 31 Dec 2020 by abread111
Verbascum thapsus subsp. thapsus (Great Mullein, Aaron's Rod) at Watson, ACT - 25 Dec 2020 by abread111
Persicaria prostrata (Creeping Knotweed) at Watson, ACT - 25 Dec 2020 by abread111
Arthropodium fimbriatum (Nodding Chocolate Lily) at Watson, ACT - 12 Dec 2020 by MAX
Eryngium ovinum (Blue Devil) at Watson, ACT - 9 Dec 2020 by waltraud
Themeda triandra (Kangaroo Grass) at Watson, ACT - 9 Dec 2020 by waltraud
Rytidosperma sp. (Wallaby Grass) at Watson, ACT - 9 Dec 2020 by waltraud

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Location information

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Additional information

  • 30cm to 1 metre Plant height
  • True In flower

Species information

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  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
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