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

Conostylis stylidioides is a rhizomatous, much-branched, perennial grass-like plant or herb with stolons up to 20 cm (7.9 in) long.

[2][3][4] Conostylis stylidioides was first formally described in 1873 by Ferdinand von Mueller in his Fragmenta phytographiae Australiae, from specimens collected by George Maxwell near the Murchison River.

[6] This species of conostylis grows in sandy soil in mallee scrub along the coast from Dirk Hartog Island to Geraldton and inland as far as Yuna in the Avon Wheatbelt, Geraldton Sandplains, Yalgoo bioregions of western Western Australia.

[2][3][4] Conostylis stylidioides is listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions.