Conostylis tomentosa is a rhizomatous, tufted perennial, grass-like plant or herb in the family Haemodoraceae and is endemic to the south-west of Western Australia.

Conostylis tomentosa is a rhizomatous, tufted, perennial grass-like plant or herb that typically grows to a height of up to 20 cm (7.9 in).

[2][3][4] Conostylis tomentosa was first formally described in 1987 by Stephen Hopper in the Flora of Australia, from specimens he collected 24.6 km (15.3 mi) north-north-west of the Eneabba - Three Springs turnoff along the Brand Highway in 1986.

[6] This conostylis grows in sand in heath in between Eneabba and Arrowsmith in the Geraldton Sandplains bioregion of south-western Western Australia.

[2][3] Conostylis tomentosa is listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions.