[1] The dense perennial forb typically grows to a height of 0.45 metres (1.5 ft) and produces yellow-green-brown flowers.

[6] Cocci usually 1, broadly obovoid to obpyriform-obovoid, curved towards axis, 2–3.3 mm long, rugose, sometimes obtusely tuberculate over distal two-thirds; basal cavity shallow to deep with thin rim extending distally exposing tongue of bony endocarp.

[6] Stackhousia clementii has been recorded in open woodland, arid shrubland and hummock grassland on ephemeral swamp margins, plains and ridges, and sometimes in saline soil.

[2] Stackhousia clementii is known or predicted to occur in the Interim Biogeographic Regionalisation of Australia Regions of the Simpson Strzelecki Dunefields, Channel Country, Mitchell Grass Downs, Eyre Yorke Block, Gawler, Tanami, Finke, MacDonnell Ranges, Burt Plain, Great Victoria Desert, Stony Plains, Sturt Plateau, Davenport Murchison Ranges, Carnarvon, Central Ranges, Great Sandy Desert, Murchison and Pilbara.

[2] The description by Karel Domin was published in Beitrage zur Flora und Pflanzengeographie Australiens, Bibliotheca Botanica 22(89) in 1927.