Shrub to 5m tall. Leaves alternating up the stems, 2-9.5cm long, 1-6mm wide, flat, sticky or shiny, hairless, the edges toothed or sometimes with shallow lobes. Male and female flowers on separate plants. Flowers small, with 0 petals, in open panicles at the ends of the branches. Fruiting bodies with 3-4 wings.
Description and photo (as Dodonaea attenuata) (page 469) and line drawing of leaf (Fig. 54a page 471) in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Dodonaea~viscosa Note that only the last 3 sentences in the description in the PlantNET description (beginning "Leaves 1-6mm wide,") actually refer to Dodonaea viscosa ssp. angustissima. The earlier sentences refer to Dodonaea viscosa in general.