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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.

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Banksia sessilis (Knight) A.R.Mast & K.R.Thiele var. sessilis

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(-8) m high. Fl. cream-yellow, Apr to Nov. Sand over limestone, laterite or granite, lateritic gravel.

Amanda Spooner, Descriptive Catalogue, 26 May 2008
Image

Scientific Description

Shrubs, 2-4 m high; branchlets hairy. Leaves sessile, alternate, 20-40 mm long, 15-25 mm wide, hairy; lamina flat, clearly widest above the middle, once divided, pinnately divided, shallowly divided, teeth distinctly pointing towards the apex, with 3-7 lobes on each side, the margins flat. Inflorescences hirsute (with long, rough and coarse hairs), yellow; innermost bracts 8-10 mm long, hairy. Perianth 27-31 mm long, glabrous, without awns; pistil 25-30 mm long, straight, style glabrous. Follicles glabrous, pubescent (with soft, straight, erect hairs), ovate, 12-14 mm long. Flowers in May, June, July, August, September, October or November. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW), Jarrah Forest (JF), Mallee (MAL), Warren (WAR) or Esperance Plains (ESP) IBRA subregion(s).

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

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Dandaragan Plateau, Fitzgerald, Geraldton Hills, Katanning, Merredin, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs)
Albany, Armadale, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Brookton, Broomehill-Tambellup, Bruce Rock, Busselton, Capel, Chapman Valley, Chittering, Collie, Corrigin, Cranbrook, Cuballing, Dandaragan, Donnybrook-Balingup, Dowerin, Dumbleyung, Gingin, Gnowangerup, Gosnells, Jerramungup, Kalamunda, Katanning, Kent, Kojonup, Kulin, Kwinana, Manjimup, Moora, Mundaring, Murray, Nannup, Narrogin, Northam, Pingelly, Plantagenet, Rockingham, Serpentine-Jarrahdale, Swan, Tammin, Toodyay, Victoria Plains, Wagin, Wandering, West Arthur, Wickepin, Williams, York.