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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.

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.