Plants of South Eastern New South Wales
Stylidium armeria subsp. armeria
Common name
Thirft-leaved Triggerplant
Family
Stylidaceae
Where found
Forest, woodland, heath, grassy areas, swamp margins, and seepage areas. ACT, the mountains to the west, and Kosciuszko National Park.
in the ACT, Stylidium armeria subsp. armeria does not occur on Black Mountain, Bruce Ridge or Mt Ainslie, but is the common species of Stylidium at higher altitudes.
Notes
Perennial herb to 1 m high, often rhizomatous. Leaves tufted, 8–40 cm long, 3–15 mm wide, mid- to dark green, hairless on both surfaces or, rarely, with a few widely spaced glandular hairs on the margins and/or the midrib on the lower surface, and these usually present only on juvenile plants, midrib not obvious on the lower surface, margins membranous and coarsely toothed, toothed at the tips only, or entire; tips pointed. Scape greater than 2 mm wide, hairless to hairy with glandular hairs. Flowers light to dark pink-magenta, rarely white, 8–16 mm in diameter, tubular, with 4 petals, and a hinged column sensitive to movement 8–12 mm long, arising from the centre of the flower. 15–120 flowers up the flower stalk. Plants single. Flowers Aug.–Feb. Seed cases reddish brown, covered in small warts.
Stylidium armeria in PlantNET (3 May 2021).
All native plants on unleased land in the ACT are protected.
VICFLORA description: https://vicflora.rbg.vic.gov.au/flora/taxon/78dbb92e-6b98-481d-994c-c84ed064df86 (accessed 3 May 2021)
Description above partly based on Raulings, EJ & Ladiges, PY (2001) Morphological variation and speciation in Stylidium graminifolium (Stylidaceae), description of S. montanum [1] [2] and reinstatement of S. armeria. Australian Systematic Botany 14(6): 928-931, Fig. 13
and Rosemary Purdie's notes published on Canberra Nature Map. https://canberra.naturemapr.org/Community/Sightings/Details/1947895 (accessed 3 May 2021)
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