Lignum, Tangled Lignum
Shrub to 3m tall. Branches and branchlets often ending in a spine. Leaves with a sheath at the base, alternating up the stems, lost early, 1.5-7cm long, 2-10mm wide, flat, hairless, pointed. Male and female flowers usually on different plants. Flowers tiny (less than 3mm across), cream to pale green, with 5 'petals', solitary or in dense clusters along the stems. Duma florulenta in New South Wales and SA.
Description and photo (as Muehlenbeckia cunninghamii) in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 229
PlantNET description (as Duma florulenta): http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Duma~florulenta