Plants → Magnoliophyta → Magnoliopsida → Proteales → Proteaceae Juss. → Banksia L.f. → Banksia sessilis (Knight) A.R.Mast & K.R.Thiele → Banksia sessilis var. flabellifolia (A.S.George) A.R.Mast & K.R.Thiele
Non-lignotuberous shrub or tree, 0.5-5 m high. Fl. cream-yellow, Jun to Oct. Deep sand & lateritic soils.
Beard’s Provinces: South-West Province.
IBRA Regions: Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions: Dandaragan Plateau, Geraldton Hills, Lesueur Sandplain.
IMCRA Regions: Central West Coast.
Local Government Areas (LGAs): Chapman Valley, Coorow, Dandaragan, Greater Geraldton, Irwin, Moora, Northampton, Three Springs.
Shrubs, 1.5-2.5 m high; branchlets glabrous. Leaves sessile, alternate, 25-40 mm mm long, 17-35 mm wide, glabrous; lamina flat, clearly widest above the middle, pinnately divided, shallowly divided, teeth distinctly pointing towards the apex, with 5-6 lobes on each side, the margins flat. Inflorescences hirsute (with long, rough and coarse hairs), yellow; innermost bracts 7-10 mm long, hairy. Perianth 22-30 mm long, glabrous, without awns; pistil 25-30 mm long, straight, style glabrous. Follicles glabrous, pubescent (with soft, straight, erect hairs), ovate, 10-11 mm long. Flowers in June, July, August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS) or Swan Coastal Plain (SWA) IBRA subregion(s).
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/