Acacia juncifolia juncifolia
Peduncles glabrous, up to 6 mm long. Phyllodes linear-terete or obscurely tetragonous, mostly more than 6 cm long. Flower heads solitary or in clusters of 2–3, yellow, 15–20-flowered. Shrub up to 1 m high. Hornsby Plateau north of the Hawkesbury River; lower Blue Mts DSF. Ss. Fl. winter–spring