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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Wednesday, 1 July 2026 +08:00.

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Stylidium affine Sond.
Queen Triggerplant

Reference
Lehm., Pl.Preiss. [J.G.C.Lehmann] 1:371 (1845)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Caespitose perennial, herb, 0.15-0.75 m high, Leaves tufted, narrowly oblanceolate, 10-60 cm long, (1-) 2-5.5 mm wide, apex acute, margin involute, glabrous or occasionally with minute papillae. Membraneous scale leaves present at base of mature leaves. Scape glandular throughout. Inflorescence paniculate. Fl. purple, Sep to Nov. Sandy loam, sandy clay over laterite, granite. Coastal areas, hillslopes and gullies. Wandoo or Jarrah forest, low scrub.

Amanda Spooner, Descriptive Catalogue, 27 June 2006
Image

Distribution

IBRA Regions
Avon Wheatbelt, Jarrah Forest, Swan Coastal Plain.
IBRA Subregions
Dandaragan Plateau, Katanning, Northern Jarrah Forest, Perth, Southern Jarrah Forest.
Local Government Areas (LGAs)
Armadale, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Broomehill-Tambellup, Busselton, Chittering, Collie, Cranbrook, Donnybrook-Balingup, Gosnells, Kalamunda, Kojonup, Manjimup, Mundaring, Nannup, Plantagenet, Swan, Toodyay, Victoria Plains, Wagin, Wandering, West Arthur, Williams, York.