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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

Petrophile semifurcata Benth.

Reference
Fl.Austral. 5:335-336 (1870)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, much-branched shrub, 0.3-1.7 m high. Fl. yellow-cream, Sep to Nov. Yellow sand, sometimes with gravel. Sandplains.

Grazyna Paczkowska, Descriptive Catalogue, 23 August 1995
Image

Scientific Description

Shrubs, 0.5-1.5 m high; branchlets hairy, with straight hairs. Leaves alternate, 70-145 mm long, 1.5-2 mm wide, glabrous; lamina terete, once divided, tripartitely divided, entire or divided to the midrib, 1.5-2 mm long, with (2-)3-4 points or lobes; distance from base of leaf to lowest lobe 35-100 mm. Inflorescences not viscid, white, cream or yellow. Perianth 10-14 mm long, hairy, the limb apex hairy all over; pistil 10-15 mm long; pollen presenter fusiform, hairy, 5-6.5 mm long. Cone with persistent scales, 25-40 mm long. Flowers in September, October or November. Occurs in the Eremaean (ER) or South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS) or Avon Wheatbelt (AW) IBRA subregion(s).

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

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Geraldton Sandplains, Yalgoo.
IBRA Subregions
Edel, Geraldton Hills, Merredin, Wooramel.
Local Government Areas (LGAs)
Chapman Valley, Greater Geraldton, Northampton, Shark Bay.