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 Conservation listings displayed on Florabase may also be out of date.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

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Banksia sessilis var. cygnorum (Gand.) A.R.Mast & K.R.Thiele
Parrot Bush

Reference
Austral.Syst.Bot. 20:70 (2007)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Non-lignotuberous shrub or tree, 0.5-5 m high. Fl. cream-yellow, Jul to Oct. White/grey or yellow sand over limestone.

Amanda Spooner, Descriptive Catalogue, 26 May 2008
Image

Scientific Description

Shrubs, 1-3 m high; branchlets glabrous or hairy. Leaves petiolate, alternate, 15-40 mm long, 10-22 mm wide, glabrous; lamina flat, clearly widest above the middle, once divided, pinnately divided, shallowly divided, teeth distinctly pointing towards the apex, with 2-5 lobes on each side, the margins flat. Inflorescences hirsute (with long, rough and coarse hairs), yellow; innermost bracts 7-10 mm long, hairy. Perianth 20-24 mm long, glabrous, without awns; pistil 23-25 mm long, straight, style glabrous. Follicles glabrous, pubescent (with soft, straight, erect hairs), ovate, 10-12 mm long. Flowers in July, August, September, October or November. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS) or Swan Coastal Plain (SWA) IBRA subregion(s).

C. Hollister and K.R. Thiele, 19 January 2024

Distribution

IBRA Regions
Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions
Geraldton Hills, Lesueur Sandplain, Perth.
IMCRA Regions
Leeuwin-Naturaliste.
Local Government Areas (LGAs)
Cambridge, Carnamah, Cockburn, Cottesloe, Dandaragan, Fremantle, Gingin, Greater Geraldton, Irwin, Joondalup, Nedlands, Perth, Rockingham, Stirling, Wanneroo, Waroona.