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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 trifurcata Foreman

Reference
Fl.Australia 16:479 (1995)
Conservation Code
Priority Two
Naturalised Status
Native to Western Australia
Name Status
Current

Shrub, 0.3-0.65 m high. Fl. yellow, Sep. Sand.

Grazyna Paczkowska, Descriptive Catalogue, 23 August 1995

Scientific Description

Shrubs, 0.35-0.65 m high; branchlets hairy, with straight hairs. Leaves alternate, 10-15 mm long, glabrous; lamina terete, more or less the same width throughout, once divided, tripartitely divided, entire or divided to the midrib, with 2-3 points or lobes; distance from base of leaf to lowest lobe 6-10 mm. Inflorescences not viscid, yellow. Perianth 8-10 mm long, hairy, the limb apex hairy all over; pistil 10-15 mm long; pollen presenter fusiform, hairy, 2-3 mm long. Cone with persistent scales, 10-12 mm long. Flowers in September. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS), Avon Wheatbelt (AW) or Mallee (MAL) IBRA subregion(s). : Conservation code Priority Two (P2).

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

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains.
IBRA Subregions
Katanning, Lesueur Sandplain, Merredin.
Local Government Areas (LGAs)
Coorow, Dalwallinu, Wongan-Ballidu.