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Flora of Australia Online

Banksia littoralis R.Br., Trans. Linn. Soc. London 10: 204 (1810)
Swamp Banksia

Sirmuellera littoralis (R.Br.) Kuntze, Revis. Gen. Pl. 2: 582 (1891) as litoralis.  T: King George Sound, [W.A.], Dec. 1801, R.Brown ; lecto: BM, fide A.S.George, Nuytsia 3: 407 (1981); isolecto: BM, K, NSW.

Illustrations: C.E.Rosser & A.S.George, Banksias I: pl. 17 (1981); A.S.George, Banksia Book 190, 191, fig. 54, pl. 80 (1984).

A tree to 12 m tall, rarely a low shrub, fire-tolerant. Bark rough, friable. Stems tomentose. Leaves whorled or sometimes alternate; petiole 5–10 mm long; lamina linear, 10–23 cm long, to 10 mm wide, obtuse; margins recurved, serrate towards apices or almost entire; upper surface pubescent, glabrescent; lower surface closely tomentose. Inflorescence 7–20 cm long; involucral bracts tomentose, persistent until flowering. Flowers yellow, including styles. Perianth 25–27 mm long including limb of 2.5–3 mm, pubescent outside (including limb) and inside. Pistil hooked, 29–35 mm long, glabrous; pollen presenter narrowly ovoid, 0.5 mm long. Old flowers soon falling. Follicles up to 200, broadly linear to narrowly elliptic, 11–22 mm long, 2.5–8 mm high, 4–8 mm wide, smooth or sometimes with a ridge across valves, tomentose. Seed obovate, 15–18 mm long; seed body cuneate, 5–8 mm long, 4–5 mm wide, smooth to rugose. 

Occurs in W.A. from Mt Lesueur to Cape Leeuwin and east to Two Peoples Bay and the Stirling Ra. In low-lying, winter-damp areas, in sand or peaty sand, usually in low woodland and often with Melaleuca preissiana (paperbark); also in Eucalyptus gomphocephala (Tuart) forest, rarely in low coastal kwongan. Flowers mainly Mar.–July. Map 242.

W.A.: near junction of Chester Pass Rd and Stirling Ra. Drive, A.M.Ashby 4483 (PERTH); Helena R. near Mundaring Weir, 25 June 1925, C.A.Gardner s.n. (PERTH); near Moses Rock, S of Yallingup, A.S.George 14235 (PERTH); SE of Mt Lesueur, E.A.Griffin 2656 (PERTH).

Sprouts from the trunk and branches after fire. Follicles usually opening when mature. Similar to B. seminuda which has broader leaves and a glabrous perianth limb. Also related to B. verticillata , a shrubby species with thicker entire leaves, and B. occidentalis , also a shrub but with narrower leaves and red styles.



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