Petrophile rigida R.Br.
Trans.Linn.Soc.London 10:69 (1810)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Wednesday 23 August 1995

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


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.

IBRA Subregions: Avon Wheatbelt P2, Dandaragan Plateau, Fitzgerald, 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.

Scientific Description
Chris Hollister, Nicholas Lander and Kevin Thiele, Thursday 7 February 2019

Shrubs, 0.5-1.5 m high; branchlets glabrous. Leaves alternate, 25-60 mm 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).