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Banksia sceptrum
Banksia sceptrum, commonly known as the sceptre banksia, is a plant that grows in Western Australia near the central west coast from Geraldton north through Kalbarri to Hamelin Pool. It extends inland almost to Mullewa. First collected and grown by early settler James Drummond in Western Australia, it was described by Swiss botanist Carl Meissner in 1855.
In nature, B. sceptrum grows in deep yellow or pale red sand in tall shrubland, commonly on dunes, being found as a shrub to 5 metres (16 ft) high, though often smaller in exposed areas. It is killed by fire and regenerates by seed, the woody follicles opening with fire. B. sceptrum is one of the most striking yellow-flowered banksias of all. Its tall bright yellow spikes, known as inflorescences, are terminal and well displayed. Flowering is in summer, mainly December and January, though flowers are occasionally seen at other times.
B. sceptrum is principally used in the cut flower industry, with the immature spikes being commonly sold in florists around Australia. It is occasionally grown in gardens as its bright flower spikes are prominent, but requires a Mediterranean climate (dry summer) and good drainage as it is sensitive to dieback. Seeds do not require any treatment, and take 26 to 47 days to germinate. A dwarf form is in cultivation.
Banksia sceptrum is found from Hamelin Pool south to around 60 km (37 mi) east of Geraldton and near Mullewa and east to Wandana Nature Reserve. The annual rainfall is 300–400 mm (12–16 in). The soils it grows on are deep yellow or pale red sands, often on dunes. It is also found on flat areas. Found in tall shrubland, it grows in association with B. ashbyi, mallee gums, sandplain cypress (Actinostrobus arenarius) and sandplain woody pear (Xylomelum angustifolium).
Banksia acanthopoda · Prickly Banksia · Banksia acuminata · Wallum Banksia · Banksia alliacea · Cactus Dryandra · Northern Banksia · Yilgarn Dryandra · Banksia archaeocarpa · Banksia arctotidis · Banksia armata var. armata · Banksia armata var. ignicida
Text excerpted from the Wikipedia article Banksia sceptrum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
