Sisyrinchium rosulatum

Scourweed at Throsby, ACT

Sisyrinchium rosulatum at Throsby, ACT - 15 Jan 2022
Sisyrinchium rosulatum at Throsby, ACT - 15 Jan 2022
Sisyrinchium rosulatum at Throsby, ACT - 15 Jan 2022
Sisyrinchium rosulatum at Throsby, ACT - 15 Jan 2022
Sisyrinchium rosulatum at Throsby, ACT - 15 Jan 2022
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Identification history

Sisyrinchium rosulatum 18 Jan 2022 RWPurdie
Sisyrinchium sp. 18 Jan 2022 MichaelMulvaney
Unidentified 15 Jan 2022 abread111

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User's notes

looks like a lily perhaps - damp location near point 6 on wetland walk - compare flower size with swamp isotome flower in second photo - in association with brooklime, loosestrife, kidney weed

5 comments

abread111 wrote:
   16 Jan 2022
growing with a brooklime
abread111 wrote:
   17 Jan 2022
looks similar to Sisyrinchium rosulatum but yellow petals
compare https://keyserver.lucidcentral.org/weeds/data/media/Html/sisyrinchium_iridifolium.htm which has image of yellow form
RWPurdie wrote:
   17 Jan 2022
It is a species of Sisyrinchium, but the taxonomy is a bit of a mess!
abread111 wrote:
   17 Jan 2022
I kept the plant to press, if that helps
RWPurdie wrote:
   18 Jan 2022
Based on the most recent descriptions of Sisyrinchium species in the Flora of NSW and Flora of Victoria, it best fits Sisyrinchium rosulatum. It was very useful that you included a scale in one photo; thanks!

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Nearby sightings

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Location information

Sighting information

  • 16 - 100 Abundance
  • 15 Jan 2022 03:42 PM Recorded on
  • abread111 Recorded by

Additional information

  • Less than 10cm Plant height
  • True In flower

Species information

  • Sisyrinchium rosulatum Scientific name
  • Scourweed Common name
  • Not Sensitive
  • Exotic
  • Minor Weed or Pest
  • Up to 722.6m Recorded at altitude
  • Machine learning
  • In flower
  • Synonyms

    Sisyrinchium sp. A

Record quality

  • Images or audio
  • 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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