Acacia trinervata Sieber ex DC.

Phyllodes linear, 1–4 cm long, 1–3 mm wide, rigid. Legume straight or slightly curved, up to 10cm long, not constricted between the seeds on the suture lines, brown. Diffuse shrub 1–3 m high, with angular branches. Blue Mts; western Hornsby Plateau. WSF and DSF. Various soils. Fl. most of the year