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Sighting 4610440

Stylidium graminifolium

grass triggerplant at Bombay, NSW

Stylidium graminifolium at Bombay, NSW - 3 Nov 2024 06:28 PM
Stylidium graminifolium at Bombay, NSW - 3 Nov 2024 06:28 PM
Stylidium graminifolium at Bombay, NSW - 3 Nov 2024 06:28 PM
Stylidium graminifolium at Bombay, NSW - 3 Nov 2024 06:28 PM
Stylidium graminifolium at Bombay, NSW - 3 Nov 2024 06:28 PM
Stylidium graminifolium at Bombay, NSW - 3 Nov 2024 06:28 PM
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Identification history

Stylidium graminifolium 8 Nov 2024 MichaelMulvaney
Stylidium graminifolium 4 Nov 2024 JasonPStewartNMsnc2016
Stylidium graminifolium 3 Nov 2024 MatthewFrawley

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6 comments

JasonPStewartNMsnc2016 wrote:
   3 Nov 2024
The first photograph stands out as wonderful, with focus, details and so on.

Leaves (photograph 3 full resolution) look too wide for *Stylidium graminifolium*,
suggesting *Stylidium armeria* .
MatthewFrawley wrote:
   3 Nov 2024
For what it's worth, the leaves looked narrow to me, like what I usually see as Stylidium graminifolium.
JasonPStewartNMsnc2016 wrote:
   3 Nov 2024
Please refer here : https://www.publish.csiro.au/SB/SB99037

Quotation:
"
Key to Species

1. Leaves strictly narrowly linear, up to 2.5 mm wide, glaucous, c. regularly serrate, midrib prominent on abaxial surface and leaves bifurrowed; flowers white to pale pink; in siliceous sands and well-drained soils – *S. graminifolium*

Leaves linear to narrowly oblanceolate, greater than 3 mm wide, pale to dark green, serrations absent or towards apex only, lamina continuous over midrib and leaves not bifurrowed; flowers pink to deep magenta – 2

...
JasonPStewartNMsnc2016 wrote:
   3 Nov 2024
2. Leaves 4–15 cm long, pale to mid-green, widely spreading to suberect; scape fine (< 2 mm wide), glabrous or glabrescent below lowest flowers; flowers 10–30; in water-retentive, peaty soils of montane to subalpine areas at high altitudes  –   *S. montanum

Leaves 20–40 cm long, dark green, spreading to erect; scape robust (>2 mm wide), glandular–pubescent beyond lowest flower; flowers 30–120; widespread from coast to alps  –  *S. armeria* 

".
JasonPStewartNMsnc2016 wrote:
   3 Nov 2024
Flora of NSW online PlantNet key to species has not been updated with *Stylidium armeria* after its reinstatement in 2001 .
JasonPStewartNMsnc2016 wrote:
   4 Nov 2024
I hope you already were aware of *Stylidium armeria* and i guess so .

According to the published revision's botanical key i quoted above, this plant looks to have leaves wider than 2.5 mm,
yet appears to agree with the rest of the botanical key's features of *Stylidium graminifolium* .
As said above, unfortunately the Flora of NSW online PlantNet is not an up to date reference in this *Stylidium* small group of 3 species.
So we do not have up to date NSW specific descriptions for these two species and a NSW specific key detailing the distinguishing features between these two species.

If you still affirm this identifes to *Stylidium graminifolium* after i have checked now that you are provided with this information,
then i am happy to confirm this *Stylidium graminifolium* albeit with leaves appearing as varying from the description, as wider than 2.5 mm and wider in the middle than strictly narrowly linear.
Of course such variations' forms exist and so does introgression and hybridisation exist commonly amongst co-occuring related plants.

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Location information

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Additional information

  • 10cm to 30cm Plant height
  • True In flower

Species information

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