Skip to main content

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 latifolius R.Br.
Tangled Mulla Mulla

Reference
Sturt, Narr.Exped.Cent.Austral. 2, App. :88 (1849)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Perennial, herb or shrub, to 0.7 m high. Fl. pink-white, May or Jul to Oct. Sand dunes, stony plains.

Amanda Spooner, Descriptive Catalogue, 31 August 1999
Image

Scientific Description

Perennial herbs, stems several, more or less erect, persistently hairy or glabrescent, with nodose hairs. Leaves present, 5-80 mm long, 3-25 mm wide, glabrescent, with nodose hairs; basal rosette absent; cauline leaves alternate. Spikes white or pink, ovoid, hemispherical or spherical, clustered, with densely arranged flowers. Bracts (3.2-)3.5(-3.8) mm long, colourless, hairy, awned or mucronate, with an obscure midrib. Bracteoles 6-10 mm long, colourless, glabrous or hairy, awned or mucronate, with an obscure midrib. Outer tepals 4-7 mm long, entire. Inner tepals 3.8-6.5 mm long, glabrous within. Style (0.8-)1.2-1.4 mm long, straight, centrally fixed to ovary. Seeds 1-1.2 mm long, dull, brown. Distribution: Eremaean Botanical Region; IBRA regions: Dampierland.

R. Davis, 30 April 2019

Distribution

IBRA Regions
Carnarvon, Central Ranges, Dampierland, Gascoyne, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Pilbara.
IBRA Subregions
Ashburton, Augustus, Cape Range, Carnegie, Fortescue, Hamersley, Mackay, Mann-Musgrave Block, Maralinga, Pindanland, Roebourne, Rudall, Trainor, Wooramel.
IMCRA Regions
Pilbara (nearshore).
Local Government Areas (LGAs)
Ashburton, Broome, Carnarvon, East Pilbara, Exmouth, Karratha, Laverton, Meekatharra, Ngaanyatjarraku, Upper Gascoyne, Wiluna.