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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.

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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.