Xanthorrhoea (genus)

Grass Tree at Frazer Park, NSW

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Identification history

Xanthorrhoea (genus)	5 Mar 2025	marcycad
Xanthorrhoea australis	3 Mar 2025	Tapirlord
Xanthorrhoea (genus)	1 Mar 2025	marcycad
Xanthorrhoea (genus)	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

Places Frazer Park, NSW

Sighting information

1000 Abundance
Tapirlord Recorded by
Collections
Tapirlord NatureMapr Greater Sydney Grass-trees Palms and tree-like monocots Plants

Additional information

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

Species information

Xanthorrhoea (genus) Scientific name
Grass Tree Common name
Sensitive
Local native
Non-invasive or negligible
Machine learning

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

Australian Capital Territory

New South Wales

Queensland

Northern Territory

Western Australia

South Australia

Victoria

Tasmania