Conostylis pusilla 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 pusilla is a rhizomatous, tufted, perennial grass-like plant or herb that typically grows to a height of 20–60 cm (7.9–23.6 in) high.

[2] Conostylis pusilla was first formally described in 1846 by Stephan Endlicher in Lehmann's Plantae Preissianae.

[6] This species of conostylis grows in sandy loam, clay or sand in woodland and mallee heath from near York to Frankland and Bremer Bay in the Avon Wheatbelt, Esperance Plains, Jarrah Forest and Mallee bioregions of south-western Western Australia.

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