Banksia obtusa (R.Br.) A.R.Mast & K.R.Thiele

Species

Angiosperms > Proteales > Proteaceae > Banksia

Characteristics

Shrub with underground stems forming open tufts to 60 cm diam., without lignotuber. Stems with triangular, thickened prophylls. Leaves: petiole robust, 2-4 cm long, glabrescent; lamina erect, broadly linear, pinnatifid, 15-30 cm long, 6-17 mm wide, obtuse but mucronate, tomentose below; midrib prominent; margins revolute, with 30-60 lobes each side; lobes triangular, obtuse. Inflorescence terminal, usually subtended by several leaves; involucral bracts ovate to oblong, to 45 mm long, obtuse, dark red-brown, shining, ±glabrous except pubescent to hirsute margins; flowers 55-70 per head. Perianth 26-30 mm long, pale yellow-green, sparsely pubescent-hirsute; limb 6-7.5 mm long, glabrous or appressed-pubescent. Pistil gently curved to straight, 35-38 mm long, cream, sparsely pubescent in lower half, glabrous distally; pollen presenter not thickened, 5-5.5 mm long, ribbed. Follicles ±obovate, 18 mm long, pubescent, glabrescent, shining.
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Growth form shrub
Growth support free-standing
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Environment

Grows in sand and sandy loam in kwongan and mallee shrubland.
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Cultivation

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Germination duration (days) 30 - 90
Germination temperacture (C°) 18 - 21
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Images

Banksia obtusa unspecified picture

Distribution

Banksia obtusa world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:77080586-1
WFO ID wfo-0000506561
COL ID KL6Z
BDTFX ID -
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Josephia obtusa Banksia obtusa Dryandra multiserialis Dryandra obtusa