Shrub or perennial forb to 60cm tall. Leaves alternating up the stems, 0.2-1cm long, narrow and flat; hairy, with entire edges. Flowers tiny (less than 3mm across), solitary at the bases of the leaves. Fruiting body yellow to white, black when dry, hairless, the upper body rarely hairy, with a single horizontal wing with one radial slit.
Description and photo (page 265) and line drawing of fruiting body (page 271 Fig. 47-2) in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales