Xanthorrhoea sp.

Grass Tree at Frazer Park, NSW

Xanthorrhoea sp. at Frazer Park, NSW - suppressed
Xanthorrhoea sp. at Frazer Park, NSW - suppressed
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Identification history

Xanthorrhoea sp. 5 Mar 2025 marcycad
Xanthorrhoea australis 3 Mar 2025 Tapirlord
Xanthorrhoea sp. 1 Mar 2025 marcycad
Xanthorrhoea sp. 1 Mar 2025 Tapirlord

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User's notes

latifolia?

4 comments

marcycad wrote:
   1 Mar 2025
The flower spikes are over twice the length of the scapes, which is consistent in the population, therefore likely X. australis or X. glauca. If X. resinosa, I would expect to see the scape and spike length roughly even. The leaves/crowns are grey-green/glaucous coloured not green as would be expected in X. latifolia. The leaves also do not appear broad and have little flexion, which is always evident in X. latifolia on account of the very shallow and broad leaf cross-section shape.
If the area of this sighting were included, this would aid with a more accurate ID.
Tapirlord wrote:
   3 Mar 2025
This will be X.australis then I think, plants are from lake Munmorah in the Sydney region
marcycad wrote:
   4 Mar 2025
There are no records of X. australis north of Sydney. Looking at the habitat, it is not typical of X. glauca, this could then be a hybrid between X. glauca and X. fulva, which are known to occur from Newcastle to Byron Bay, the progeny can resemble X. resinosa, the crown shape and very straight leaves are highly suggestive of this.
Tapirlord wrote:
   5 Mar 2025
Cheers

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Location information

Sighting information

Additional information

  • 30cm to 1 metre Plant height
  • Alive / healthy Plant health

Species information

  • Xanthorrhoea sp. Scientific name
  • Grass Tree Common name
  • Sensitive
  • Local native
  • Non-invasive or negligible
  • Machine learning
  • In flower

Record quality

  • Images or audio
  • More than one media file
  • Verified by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
802,179 sightings of 21,665 species from 13,550 contributors
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