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Flora of Australia Online

Banksia grandis Willd., Sp. Pl. 1: 535 (1798)
Bull Banksia, Mangite

Sirmuellera grandis (Willd.) Kuntze, Revis. Gen. Pl. 2: 582 (1891). T: cultivated in Europe, from seed probably collected at King George Sound, [W.A.], Oct.–Nov. 1791, A.Menzies ; lecto: B, fide A.S.George, Nuytsia 3: 309 (1981).

Illustrations: C.E.Rosser & A.S.George, Banksias I: pl. 6 (1981); A.S.George, Banksia Book 77–79, fig. 11, pl. 31 (1984).

Tree to 10 m, in coastal areas sometimes a shrub, fire tolerant. Bark thick, rugose. Stems stout, tomentose, glabrescent. Leaves: petiole 10–35 mm long; lamina pinnatisect with 8–12 large, triangular lobes each side, obovate-cuneate, 10–45 cm long, 3–11 cm wide, truncate; margins recurved; upper surface tomentose, glabrescent; lower surface tomentose, glabrescent except fine wool in pits. Inflorescence 10–40 cm long, 7–9 cm wide at flowering; involucral bracts to 25 mm long, tomentose, falling after flowering. Flowers pale yellow; upper flowers often with turquoise or grey tinge; styles cream. Perianth 26–35 mm long including limb of 4–5 mm, hirsute both sides with glabrous limb. Pistil 35–40 mm long, glabrous; pollen presenter slightly thickened, 1–1.5 mm long. Old flowers soon falling. Follicles many in a massive cone, elliptic, 17–25 mm long, 3–10 mm high, 6–12 mm wide; valves smooth but groove wrinkled, tomentose. Seed obovate-cuneate, 32–38 mm long; seed body obovate, 12–16 mm long, 7–9 mm wide, smooth inside, somewhat rugose outside. 

Widespread in W.A. from Mt Lesueur to Cape Leeuwin, east to Cape Riche and inland to Woodanilling. Grows in sand on the coastal plain, in woodland and kwongan; common in laterite in the Jarrah forest of the Darling Plateau. Flowers Oct.–Jan. Map 191.

W.A.: Cape Leeuwin, A.C.Beauglehole 13517 (NSW); c. 48 km SE of Karagullen, Brookton Hwy, A.S.George 11214 (AD, BRI, CANB, K, MEL, NSW, PERTH); Bow R., Oct. 1912, S.W.Jackson (NSW, PERTH); Bushmead, NE of Perth, R.A.Saffrey 139 (PERTH); 10.5 km NNE of Muchea turnoff on Great Northern Hwy, A.Strid 20663 (PERTH).

Follicles usually opening spontaneously when mature. Relatively consistent except near the south coast, especially in the Albany district, where the plants are of shorter, more spreading stature. Banksia solandri differs in its shrubby habit, smaller leaves and smaller brownish purple flowers that persist in the fruit.

(A.S.George)

 

Data derived from Flora of Australia Volumes 16 (1995), 17A (2000) and 17B (1999), products of ABRS, ©Commonwealth of Australia