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Service Notice

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 Conservation listings displayed on Florabase may also be out of date.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

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Ptilotus gaudichaudii (Steud.) J.M.Black

Reference
Trans.Roy.Soc.South Australia 69:309 (1945)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Ascending or erect annual, herb, 0.1-0.4(-1) m high. Fl. yellow-green, Apr to Oct. Sand, loam, clay.

Amanda Spooner, Descriptive Catalogue, 31 August 1999
Image

Scientific Description

Annuals, stems single or several, more or less erect, glabrescent or glabrous, with nodose hairs. Leaves present, (5-)10-50(-90) mm long, (0.5-)1-4(-5) mm wide, glabrescent or glabrous, with nodose hairs; basal rosette present; cauline leaves alternate. Spikes green or yellow, ovoid or cylindrical, solitary, with densely arranged flowers. Bracts 3-5 mm long, colourless, glabrous, awned or mucronate, with a prominent midrib. Bracteoles 3.5-6 mm long, colourless, glabrous, awned or mucronate, with a prominent midrib. Outer tepals 11-14 mm long, entire. Inner tepals 10.7-13.5(-13.8) mm long, with a basal tuft of hairs on inner face. Style 8-10(-10.5) mm long, straight, obliquely fixed to ovary. Seeds 0.8-1 mm long, glossy, brown or orange or pale brown. Distribution: South West and Eremaean Botanical Region; IBRA regions: Carnarvon, Central Ranges, Coolgardie, Gascoyne, Great Victoria Desert, Hampton, Little Sandy Desert, Murchison, Nullarbor, Pilbara.

R. Davis, 8 May 2019

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Coolgardie, Gascoyne, Geraldton Sandplains, Gibson Desert, Great Victoria Desert, Hampton, Jarrah Forest, Little Sandy Desert, Mallee, Murchison, Nullarbor, Pilbara, Swan Coastal Plain, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Cape Range, Carlisle, Carnegie, Central, Chichester, Eastern Goldfield, Eastern Murchison, Edel, Fortescue, Geraldton Hills, Hamersley, Hampton, Katanning, Lateritic Plain, Merredin, Northern Jarrah Forest, Perth, Shield, Southern Cross, Southern Jarrah Forest, Tallering, Trainor, Western Mallee, Western Murchison, Wooramel.
Local Government Areas (LGAs)
Ashburton, Boddington, Carnarvon, Collie, Coolgardie, Cue, Dalwallinu, Dowerin, Dundas, East Pilbara, Exmouth, Goomalling, Greater Geraldton, Kalgoorlie-Boulder, Kondinin, Koorda, Laverton, Leonora, Meekatharra, Menzies, Merredin, Mingenew, Moora, Morawa, Mount Magnet, Mount Marshall, Mukinbudin, Mundaring, Murchison, Ngaanyatjarraku, Northampton, Perenjori, Sandstone, Shark Bay, Tammin, Upper Gascoyne, West Arthur, Wiluna, Wyalkatchem, Yalgoo, Yilgarn, York.