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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.

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.