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Service Notice

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 Herbarium team, working with the Biodiversity Information Office, now have the Nomos-hosted WACensus in production, and we will begin to update the flora and fungi for WA within the system soon. The Specify project team continues to test and streamline the new collections management system, and we expect this to be online in October. Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Thursday, 1 October 2026 +08:00.

Philotheca richardsoniana Wege & Hislop
Richardson’s Philotheca

Reference
Nuytsia 31:9-13, Fig. 1 (2020)
Conservation Code
Priority Two
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Shrub, spines absent; branchlets verrucose (warty), +/- cylindrical in cross-section, covered in hairs or scales, the hairs stellate (star-shaped). Leaves alternate, simple, 4-9.5 mm long, 1-1.5 mm wide, flat, the margins revolute, verrucose (warty), covered in hairs or scales, with stellate (star shaped) hairs; stipular excrescences absent. Flowers terminal. solitary; pedicels 1.5-2 mm long; calyx present, 1-1.6 mm long, smooth, without distinct raised glands, glabrous except for a ciliate marginal fringe, the hairs stellate (star-shaped); corolla pink or white or cream, petals five, 4.5-5.5 mm long, imbricate (overlapping), free, hairy on the surfaces; stamens twice as many as petals, 2-2.5 mm long, smooth, hairy; anthers 0.5-1 mm long, without an appendage; style 4 mm long, hairy. Flowers in May, June, September and October. Occurs in the South-West Botanical Province, in the Avon Wheatbelt IBRA region(s). Conservation Code: Priority Two (P2).

C. Hollister and K.R. Thiele, 14 November 2023

Distribution

IBRA Regions
Avon Wheatbelt.
IBRA Subregions
Merredin.
Local Government Areas (LGAs)
Mount Marshall, Mukinbudin, Tammin.