Isopogon attenuatus is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with oblong to spatula-shaped or linear leaves and spherical heads of yellow flowers.
Isopogon attenuatus is a shrub that typically grows to a height of and has mostly glabrous, brownish branchlets. The leaves are oblong to spatula-shaped or linear, long and wide on a petiole about long, with a sharp point on the tip. The flowers are arranged in sessile, more or less spherical heads in diameter. The involucral bracts are egg-shaped, the flowers long and creamy yellow to pale yellow. Flowering occurs from September to February and the fruit is a hairy nut, fused in a more or less spherical head about in diameter.[1]
Isopogon attenuatus was first formally described in 1810 by Robert Brown in the Transactions of the Linnean Society of London.[2] [3]
This isopogon grows in woodland with a heathy understorey, in scattered population from near Perth to Albany and Mount Manypeaks, in the south-west of Western Australia.
Isopogon attenuatus is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.