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Flora of Australia Online

Dryandra sessilis (Knight) Domin, Vĕstn. Král. Ceské Společn. Nauk, Tř. Mat. Přír. 2: 19 (1923)

Josephia sessilis Knight, Cult. Prot. 110 (1809). T: King George Sound, [W.A.], Oct. 1791, A.Menzies ; lecto: BM; isolecto: BM, fide A.S.George, Nuytsia 10: 327 (1996).

Shrub or tree to 6 m, without lignotuber. Leaves sessile or on petiole to 5 mm long; lamina cuneate to flabelliform, sometimes almost oblong, 2–6 cm long, 8–40 mm wide, obtuse to acute, mucronate, sparsely hairy on upper surface and nerves but soon glabrous except pits in lower surface; margins ±flat, serrate with up to 9 teeth each side. Inflorescence terminal; involucral bracts ovate passing to linear; outer bracts ±glabrous except densely ciliate margins; inner bracts hirsute, to 10–11 mm long, pale; flowers 55–125 per head. Perianth straight, 20–32 mm long, pale yellow; claw pubescent; limb 3–4 mm long, glabrous. Pistil straight, 19–30 mm long, cream, glabrous; pollen presenter cylindrical to ellipsoidal, 1–1.5 mm long, smooth. Follicles 1–4 per head, ovoid, 10–15 mm long, appressed-pubescent, glabrescent, opening when mature. 

Occurs widely in south-western W.A. from Kalbarri to Cape Leeuwin and east to Bremer Bay, inland to Wongan Hills and Kulin. 

Four varieties are recognised.

Since publication of the Flora of Australia the Australian Plant Census accepts A.R.Mast & K.R.Thiele's transfer of Dryandra to Banksia in Austral. Syst. Bot. 20: 63–71 (2007). As a result this taxon is treated under Banksia sessilis .

1 Leaves commonly no more than 3 cm long, less than 20 mm wide; stems pubescent

var. cygnorum

1: At least some leaves more than 3 cm long, 15–40 mm wide; stems hirsute, soon glabrescent, rarely pubescent


2 Leaves flabelliform, not auriculate

var. flabellifolia

2: Leaves cuneate to oblong, commonly auriculate


3 Pistil 25–29 mm long; leaves commonly 2–3 cm long but sometimes to 5 cm long, to 25 mm wide

var. sessilis

3: Pistil 29–32 mm long; leaves to 6 cm long and 40 mm wide

var. cordata


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