Banksia sessilis (Knight) A.R.Mast & K.R.Thiele var. sessilis
Austral.Syst.Bot. 20:70 (2007)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Monday 26 May 2008

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.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Dandaragan Plateau, Fitzgerald, Geraldton Hills, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren, Western Mallee.

IMCRA Regions: 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, Manjimup, Moora, Mundaring, Murray, Nannup, Narrogin, Northam, Pingelly, Plantagenet, Rockingham, Serpentine-Jarrahdale, Swan, Tammin, Toodyay, Victoria Plains, Wagin, Wandering, West Arthur, Wickepin, Williams, York.

Scientific Description
Chris Hollister, Nicholas Lander and Kevin Thiele, Wednesday 22 June 2016

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).