Acacia lasiocalyx C.R.P.Andrews

Shrub or tree 2–3.5 m high, spreading, open, glabrous; sometimes erect tree to 10 m high. Branchlets ± pruinose. Phyllodes pendent, linear, ± straight to curved with apices always obviously curved, 13–30 cm long, 2–10 mm wide, acute to acuminate, coriaceous, finely multistriate with midrib the most prominent. Inflorescences simple, sometimes a few rudimentary racemes interspersed with axes 0.5–1 mm long; peduncles paired, 8–17 mm long, pruinose; spikes 20–40 mm long, 6–7 mm diam., dense, golden. Flowers 5-merous; sepals united. Pods linear, raised over seeds and constricted between, straight to slightly curved, to 16 cm long, 4.5–5.5 mm wide, coriaceous, ± pruinose. Seeds longitudinal, elliptic-oblong, 5–6 mm long, glossy, dark brown; pleurogram U-shaped and much shorter than seed; funicle-aril thick and in several loops at seed-end.

Grows in sand, gravelly sand, loamy sand, clayey sand and loam, commonly on slopes of granitic hills, granite outcrops and around such granitic sites, but also on sandplains and on laterite, in mallee woodland, mallee heath and open heath.

Can be grown by cuttings or seedlings. Seeds needs soaking.