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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. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. Please reach out to us if you have any questions or concerns.

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Ptilotus subspinescens R.W.Davis

Reference
Nuytsia 16(2):266-268, Fig. 1 (2007)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status
Current

Compact shrub, to 0.8 m high. Gentle rocky slopes, screes and the bases of screes.

Amanda Spooner, Descriptive Catalogue, 25 March 2008
Image

Scientific Description

Shrubs, stems single, more or less erect, glabrous. Leaves present or absent, 2-3.5 mm long, 0.4-0.8 mm wide, glabrous; basal rosette absent; cauline leaves alternate. Spikes pink, ovoid or hemispherical, solitary, with densely arranged flowers. Bracts 1.4-1.7 mm long, coloured, glabrous, not awned or mucronate, with an obscure midrib. Bracteoles 2-2.4 mm long, colourless, glabrous, not awned or mucronate, with an obscure midrib. Outer tepals 6.9-7.9 mm long, not entire. Inner tepals 6.8-8 mm long, with a basal tuft of hairs on inner face. Style 4-4.5 mm long, straight, centrally fixed to ovary. Seeds 2-2.2 mm long, glossy, brown. Distribution: Eremaean Botanical Region; IBRA regions: Pilbara.

R. Davis, 30 April 2019

Distribution

IBRA Regions
Pilbara.
IBRA Subregions
Hamersley.
Local Government Areas (LGAs)
Ashburton.