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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Wednesday, 1 July 2026 +08:00.

Ptilotus corymbosus R.Br.

Reference
Prodr. 415 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect or open annual, herb, to 0.6 m high, leaves linear-lanceolate, 5-80 mm long, 1-10 mm wide; spike purple, pink, white, ovoid-cylindrical, 5-30 mm long, 6-15 mm wide; bract 2-2.5 mm long; bracteole 2.6-3 mm long; tepals 4-6 mm long; 5 fertile stamens; ovary hairy; style straight, 1.6-2.2 mm long, centrally fixed to ovary. Fl. white-pink-purple-cream, Mar to Jul. Rocky loam, sandy and clayey soils. Low ridges.

Amanda Spooner, Descriptive Catalogue, 5 August 2008
Image

Scientific Description

Annuals, stems several, more or less erect, glabrous. Leaves present, 5-80 mm long, 1-10 mm wide, glabrous; basal rosette absent; cauline leaves alternate. Spikes pink, ovoid or cylindrical, clustered, with densely arranged flowers. Bracts 2-2.5 mm long, colourless, hairy, awned or mucronate, with a prominent midrib. Bracteoles (2.6-)2.8-3 mm long, colourless, hairy, awned or mucronate, with a prominent midrib. Outer tepals 4-5(-6) mm long, entire. Inner tepals 4-5(-6) mm long, with a basal tuft of hairs on inner face. Style (1.6-)1.7-1.9(-2.2) mm long, straight, centrally fixed to ovary. Seeds 1-1.1 mm long, glossy, brown. Distribution: Northern Botanical Region; IBRA regions: Central Kimberley, Dampierland, Northern Kimberley, Ord Victoria Plains, Victoria Bonaparte.

R. Davis, 30 April 2019

Distribution

IBRA Regions
Central Kimberley, Dampierland, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Berkeley, Fitzroy Trough, Hart, Keep, Mitchell, Mount Eliza, Pentecost, Pindanland, Purnululu, South Kimberley Interzone.
IMCRA Regions
Canning, Kimberley.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.