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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 Herbarium team, working with the Biodiversity Information Office, now have the Nomos-hosted WACensus in production, and we will begin to update the flora and fungi for WA within the system soon. The Specify project team continues to test and streamline the new collections management system, and we expect this to be online in October. 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 Thursday, 1 October 2026 +08:00.

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Petrophile rigida R.Br.

Reference
Trans.Linn.Soc.London 10:69 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Divaricate shrub, 0.3-1.5 m high. Fl. yellow-cream, Jun or Sep to Oct. White, grey or yellow sand.

Grazyna Paczkowska, Descriptive Catalogue, 23 August 1995
Image

Scientific Description

Shrubs, 0.5-1.5 m high; branchlets glabrous. Leaves alternate, 25-60 mm long, glabrous; lamina terete, twice or more divided, pinnately divided, divided to the midrib, with (8-)16-18(-26) points or lobes; distance from base of leaf to lowest lobe 15-25 mm. Inflorescences not viscid, white, cream or yellow. Perianth 11-14 mm long, hairy, the limb apex hairy all over; pistil 12-15 mm long; pollen presenter fusiform, hairy, 3.5-4.5 mm long. Cone with persistent scales, 20-30 mm long. Flowers in June, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW), Jarrah Forest (JF), Mallee (MAL), Warren (WAR) or Esperance Plains (ESP) IBRA subregion(s).

C. Hollister and K.R. Thiele, 19 January 2024

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Dandaragan Plateau, Fitzgerald, Katanning, Lesueur Sandplain, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Beverley, Brookton, Broomehill-Tambellup, Coorow, Cranbrook, Dandaragan, Denmark, Gingin, Jerramungup, Kalamunda, Kent, Kojonup, Kulin, Manjimup, Narrogin, Pingelly, Plantagenet, Wagin, Wanneroo, West Arthur, York.