Conospermum cinereum is a species of flowering plant in the family Proteaceae and is endemic to the south west of Western Australia. It is a spindly shrub with egg-shaped to lance-shaped leaves, loose spikes of woolly, tube-shaped white flowers and woolly nuts.
Conospermum cinereum is a spindly shrub that typically grows to a height of . Its leaves are ascending, egg-shaped to lance-shaped, long and wide. Its flowers are arranged in spike-like panicles longer than the leaves, on a peduncle long. The perianth is woolly, white and forms a tube long. The upper lip is long, the lower lip joined for long with lobes long and wide. Flowering mainly occurs from September to December and the fruit is a nut long and wide with woolly, orange-brown hairs.[1]
Conospermum cinereum was first formally described in 1995 by Eleanor Marion Bennett in the Flora of Australia from specimens she collected in 1985 near Toolibin Lake.[2]
This species of Conospermum grows in sandy soil between Toolibin, Kellerberrin and the Stirling Range in the Avon Wheatbelt, Esperance Plains and Mallee bioregions of south-western Western Australia.
Conospermum cinereum is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.