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Flora of Australia Online

Dryandra sessilis (Knight) Domin var. sessilis

Dryandra floribunda R.Br., Trans. Linn. Soc. London 10: 212 (1810). T: King George Sound, [W.A.], Dec. 1801, R.Brown Iter Austral. 3418 ; holo: BM; iso: K.

Illustrations: R.M.Sainsbury, Field Guide Dryandra 93 (1985); J.W.Wrigley & M.Fagg, Banksias, Waratahs & Grevilleas 155 (1989).

Shrub or tree to 6 m tall. Stems long-hirsute, soon glabrous or a few hairs persisting. Leaves sessile, cuneate to almost oblong, usually at least some broad at base, commonly 2–3 cm long but sometimes to 5 cm long, 15–25 mm wide, commonly auriculate. Flowers 70–120 per head. Perianth 27–31 mm long. Pistil 25–29 mm long; pollen presenter 1.2–1.4 mm long. Follicles 14 mm long. Fig. 37A.

Widespread in south-western W.A. from Regans Ford and Moora to Collie and south-east to Bremer Bay, extending inland to near Wongan Hills, Pingelly and Kulin, and in the Stirling Ra. Common in the drier Jarrah forest. Grows in lateritic soil and in sand, in open forest, woodland and tall shrubland, often locally dominant. Flowers late May–Nov. Map 268.

W.A.: Greenmount, May 1901, C.Andrews (PERTH); Millbrook Nature Reserve, E.A.Griffin 4128 (PERTH); 17 km due NE of Brookton, R.J.Hnatiuk 790135 (PERTH); W end of Stirling Range Drive, N.G.Walsh 1063 (MEL, PERTH).

Plants on the south coast usually are of more spreading habit and have more robust leaves than those elsewhere.

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 var. sessilis .

(A.S.George)

 

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