Species of plant
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Acacia alcockii, also known as Alcock's wattle, is a species of flowering plant in the family Fabaceae and is endemic to South Australia. It is a bushy shrub with narrowly elliptic to lance-shaped phyllodes with the narrower end towards the base, and racemes of 5 to 11 spherical heads of pale yellow flowers, and oblong pods.
Description.
"Acacia alcockii" is a bushy shrub that typically grows to a height of up to about and often forms suckers. Its branchlets are glabrous and dark reddish. Its phyllodes narrowly elliptic to lance-shaped with the narrower end towards the base, mostly long and wide, with a gland usually above the pulvinus, the pulvinus itself long.
The flowers are borne in spherical heads of 5 to 11 on a raceme mostly long on a peduncle mostly long, each head with 25 to 40 pale yellow flowers. Flowering time varies between populations, and the fruit is an oblong to narrowly oblong, leathery to crusty pod up to long and wide, containing dull black oblong seeds long.
Taxonomy.
"Acacia alcockii" was first formally described in 1987 in the journal "Nuytsia" from specimens collected in Lincoln National Park in 1983. The specific epithet honours Charles Raymond Alcock, who was a plant collector well known for the specimens he collected on the Eyre Peninsula including the first collection of "A. alcockii".
Distribution and habitat.
Alcock's wattle is native to southern parts of the Eyre Peninsula on the south west coast between Mount Dutton and Mount Drummond. On the south east coast the shrub is found between Billy Light Point close to Port Lincoln to the Lincoln National Park where it grows in sandy soils over limestone and sometimes in skeletal soils above granite.
References.
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