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 Conservation listings displayed on Florabase may also be out of date.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

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 drummondii (Moq.) F.Muell.
Narrowleaf Mulla Mulla

Reference
Fragm. (Mueller) 6:229 (1868)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Perennial, herb, 0.05-0.8 m high. Fl. white-cream-pink, Mar or May or Jul to Dec. Sand, clay, loam, gravel. Low ridges, undulating plains, river slopes.

Amanda Spooner, Descriptive Catalogue, 31 August 1999
Image

Scientific Description

Shrubs or perennial herbs, stems several, more or less prostrate or more or less erect, glabrescent or glabrous, with nodose hairs. Leaves present, 8-35 mm long, 1-4(-5) mm wide, glabrescent or glabrous, with nodose hairs; basal rosette present; cauline leaves alternate. Spikes pink, ovoid, solitary, with densely arranged flowers. Bracts (4.3-)4.6-5.5(-6.5) mm long, coloured or colourless, glabrous, awned or mucronate, with a prominent midrib. Bracteoles (3.5-)4-5(-6.5) mm long, colourless, glabrous, awned or mucronate, with a prominent midrib. Outer tepals 8-9.6(-13) mm long, entire or not entire. Inner tepals 7.6-9.1(-12.5) mm long, with a basal tuft of hairs on inner face. Style (1.7-)2-2.7 mm long, straight, centrally fixed to ovary. Distribution: South West, Northern and Eremaean Botanical Region; IBRA regions: Ord Victoria Plains.

R. Davis, 30 April 2019

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Esperance Plains, Gascoyne, Geraldton Sandplains, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Jarrah Forest, Little Sandy Desert, Mallee, Murchison, Nullarbor, Pilbara, Swan Coastal Plain, Warren, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Dandaragan Plateau, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Edel, Fitzgerald, Fortescue, Geraldton Hills, Hamersley, Katanning, Lateritic Plain, Lesueur Sandplain, Mackay, Mann-Musgrave Block, Mardabilla, McLarty, Merredin, Northern Jarrah Forest, Nullarbor Plain, Perth, Recherche, Roebourne, Rudall, Shield, Southern Cross, Southern Jarrah Forest, Tallering, Trainor, Warren, Western Mallee, Western Murchison, Wooramel.
IMCRA Regions
Central West Coast, Leeuwin-Naturaliste.
Local Government Areas (LGAs)
Armadale, Ashburton, Augusta Margaret River, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Busselton, Cambridge, Carnamah, Carnarvon, Chapman Valley, Chittering, Cockburn, Coolgardie, Coorow, Cottesloe, Cranbrook, Cue, Dalwallinu, Dandaragan, Dardanup, Dundas, East Pilbara, Esperance, Fremantle, Gingin, Gnowangerup, Goomalling, Greater Geraldton, Halls Creek, Jerramungup, Kalamunda, Kalgoorlie-Boulder, Karratha, Kellerberrin, Kent, Koorda, Kulin, Kwinana, Lake Grace, Laverton, Leonora, Mandurah, Meekatharra, Melville, Menzies, Merredin, Mingenew, Moora, Morawa, Mount Magnet, Mount Marshall, Mukinbudin, Mundaring, Murchison, Murray, Narrogin, Ngaanyatjarraku, Northam, Northampton, Perenjori, Perth, Pingelly, Plantagenet, Quairading, Ravensthorpe, Rockingham, Sandstone, Shark Bay, Stirling, Swan, Tammin, Three Springs, Toodyay, Upper Gascoyne, Victoria Park, Victoria Plains, Wandering, Wanneroo, Waroona, Westonia, Williams, Wiluna, Yalgoo, Yilgarn, York.