Plants → Magnoliophyta → Magnoliopsida → Proteales → Proteaceae Juss. → Banksia L.f. → Banksia ionthocarpa (A.S.George) A.R.Mast & K.R.Thiele → Banksia ionthocarpa (A.S.George) A.R.Mast & K.R.Thiele subsp. ionthocarpa
Erect, tufted shrub, to 0.45 m high. Gravelly sandy clay-loam, red-brown loam over spongolite. Flats, gentle slopes and rises, hilltops, breakaways.
Beard’s Provinces: South-West Province.
IBRA Regions: Esperance Plains.
IBRA Subregions: Fitzgerald.
Local Government Areas (LGAs): Plantagenet.
Shrubs, 0.30-0.45 m high; branchlets hairy. Leaves petiolate, alternate, 120-250 mm mm long, 14-20 mm wide, hairy; petiole 45-50 mm long; lamina flat, once divided, pinnately divided, divided to the midrib, with 21-28 lobes on each side, the margins flat. Inflorescences tomentose (with matted or tangled, soft, woolly hairs), yellow; innermost bracts 18-20 mm long, hairy. Perianth 39-43 mm long, hairy, all over, limb apex pubescent (with soft, straight, erect hairs), without awns; pistil 56-60 mm long, curved, style hairy. Follicles hairy, pubescent (with soft, straight, erect hairs), obovate, 5-6 mm long. Flowers in September or October. Occurs in the South-west (SW) Botanical Province(s), in the Esperance Plains (ESP) IBRA subregion(s). Conservation code Threatened (T).
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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/