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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Petrophile biloba R.Br.
Granite Petrophile

Reference
Prodr. Suppl. 7 (1830)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, open shrub, 0.5-2 m high. Fl. pink & other/white, Jun to Oct. Loam, sand, laterite, shallow granitic soils. Hillsides, granite outcrops.

Grazyna Paczkowska, Descriptive Catalogue, 22 August 1995
Image

Scientific Description

Shrubs, 1-2 m high; branchlets hairy, with straight hairs. Leaves alternate, 15-20 mm long, glabrous; lamina flat, once divided, pinnately divided, divided to the midrib, with 8 points or lobes; distance from base of leaf to lowest lobe 6-15 mm. Inflorescences not viscid, pink or grey. Perianth 17-25 mm long, hairy, the limb apex hairy all over; pistil 18-26 mm long; pollen presenter not fusiform, glabrous, 4-6 mm long, the brush 1-1.5 mm long. Cone with persistent scales, 11-14 mm long. Flowers in June, July, August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Swan Coastal Plain (SWA) or Jarrah Forest (JF) IBRA subregion(s).

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

Distribution

IBRA Regions
Jarrah Forest, Swan Coastal Plain.
IBRA Subregions
Dandaragan Plateau, Northern Jarrah Forest, Perth.
Local Government Areas (LGAs)
Chittering, Gingin, Gosnells, Kalamunda, Mundaring, Murray, Serpentine-Jarrahdale, Swan.