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Flora of Australia Online

Banksia petiolaris F.Muell., Fragm. 4: 109 (1864)

Sirmuellera petiolaris (F.Muell.) Kuntze, Revis. Gen. Pl. 2: 582 (1891). T: between Cape le Grand and Cape Arid, W.A., probably in 1861, G.Maxwell ; holo: MEL; iso: PERTH (fragments).

Illustrations: A.S.George, Banksia Book 166, 167, fig. 45, pl. 68 (1984); C.E.Rosser & A.S.George, Banksias III: pl. 50 (in press).

Shrub, spreading to 2 m across, without lignotuber. Stems on surface, tomentose. Leaves: petiole 6–15 cm long; lamina oblong to narrowly cuneate, 20–40 cm long, 2–4 cm wide, obtuse; margins recurved, obtusely dentate; upper surface velvety, glabrescent; lower surface closely white-tomentose. Inflorescence 9–16 cm long; involucral bracts tomentose. Flowers pink or reddish with cream limb; styles cream. Perianth 24–27 mm long including limb of 3.5–4 mm, loosely hirsute outside, glabrous or almost so inside; limb hirsute. Pistil gently curved, 31–34 mm long, glabrous; pollen presenter scarcely swollen, 0.5–0.8 mm long. Old flowers persistent. Follicles up to 20, elliptic, 28–38 mm long, 15–20 mm wide, densely tomentose. Seed obovate, 25–28 mm long; seed body cuneate, 10–15 mm long, 14–20 mm wide, smooth inside, pitted outside. Fig. 30A–D.

Near the south coast of W.A., from Munglinup to Israelite Bay. Grows in deep white sand, in kwongan or mallee-kwongan. Flowers mid-Oct.–mid-Dec. Map 212.

W.A.: Munglinup, Oct. 1968, G.H.Burvill (PERTH); Gibson Soak, L.Diels 5336 (B); c. 48 km SW of Mt Ragged, A.S.George 2030 (PERTH); Israelite Bay, 27 Nov. 1950, J.H.Willis (MEL).

Killed by fire and regenerates from seed. May be recognised easily by the dentate leaves that are white-tomentose below. Related to B. blechnifolia which has deeply lobed leaves and reddish pink flowers.

(A.S.George)

 

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