Stylidium graminifolium (grass triggerplant)

Reference: 

 

Raulings, E. J. and Pauline Y. Ladiges (2001 December 18) 
Morphological variation and speciation in Stylidium graminifolium (Stylidiaceae), description of S. montanum and resinstatement of S. armeria.
Australian Systematic Botany 14(6)
: 901–935 .

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

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 

".

Flora of NSW online PlantNet key to species has not been updated with *Stylidium armeria* after its reinstatement in 2001 .

Stylidium graminifolium is listed in the following regions:

Canberra & Southern Tablelands  |  Southern Highlands  |  Albury, Wodonga  |  South Coast  |  Hunter Region  |  New South Wales North Coast  |  Hume  |  Greater Melbourne  |  Barwon South West  |  Loddon Mallee

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