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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 Conservation listings displayed on Florabase may also be out of date.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.

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Ptilotus roei (Benth.) F.Muell.

Reference
Fragm. (Mueller) 8:232-233 (1874)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate to decumbent herb, to 0.7 m wide. Fl. white-other, Feb or Apr to Oct. Stony clay or loam.

Amanda Spooner, Descriptive Catalogue, 31 August 1999
Image

Scientific Description

Perennial herbs, stems several, more or less prostrate, persistently hairy or glabrescent, with stellate hairs. Leaves present, 6-50 mm long, 4-35 mm wide, glabrescent, with stellate hairs; basal rosette present; cauline leaves alternate. Spikes white or brown, ovoid or cylindrical, clustered, with densely arranged flowers. Bracts 2.3-3.2 mm long, coloured, hairy, not awned or mucronate, with an obscure or a prominent midrib. Bracteoles 3.2-4.2 mm long, coloured, hairy, awned or mucronate, with a prominent midrib. Outer tepals 4.9-6.5 mm long, entire. Inner tepals 4.7-6.3 mm long, with a basal tuft of hairs on inner face. Style 2-2.3 mm long, straight, centrally fixed to ovary. Distribution: Eremaean Botanical Region; IBRA regions: Gascoyne, Little Sandy Desert, Murchison, Pilbara, Yalgoo.

R. Davis, 30 April 2019

Distribution

IBRA Regions
Gascoyne, Little Sandy Desert, Murchison, Pilbara, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Carnegie, Chichester, Eastern Murchison, Fortescue, Hamersley, Tallering, Trainor, Western Murchison.
Local Government Areas (LGAs)
Ashburton, Cue, East Pilbara, Leonora, Meekatharra, Murchison, Sandstone, Upper Gascoyne, Wiluna.