Red Copperburr, Redburr
Short lived perennial forb or shrub to 30cm tall. Leaves succulent, alternating up the stems, 0.6-1.5cm long, 1mm wide, narrow cylindrical, hairy to hairless, with blunt tips. Flowers small (less than 3mm across), solitary at the bases of the leaves. Burrs hairy or hairless, with 4-6 spreading spines.
Description (page 250) and line drawing of burr (Fig. 46-11 page 253) (as Bassia calcarata) in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales
PlantNET description with line drawing of burr and photo of dried specimen: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Sclerolaena~calcarata