Trichinium albidum C.A.Gardner Ptilotus albidus is a species of flowering plant in the family Amaranthaceae and is endemic to inland Western Australia.

It is a compact perennial shrub with linear leaves, spherical spikes of white flowers and dull brown seeds.

[2] This species was first formally described in 1943 by Charles Gardner, who gave it the name Trichinium albidum in the Journal of the Royal Society of Western Australia from specimens he collected between Meekatharra and Wiluna.

[7] Ptilotus albidus grows on stony soils on breakaways and clay plains in the Gascoyne, Little Sandy Desert and Murchison bioregions of inland Western Australia.

[2] This species of Ptilotus is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.