Acacia longifolia

Spreading shrub or erect tree, 1.5–10 m high. Phyllodes linear to elliptic, 5–20 cm long, 5–30 mm wide, mostly straight, acute or rounded-obtuse, sometimes abruptly contracted at the apex into a short mucro; primary veins 2–4, prominent, secondary veins prominent, often reticulate; gland basal or almost so. Spikes 1–2 per axil, 2–5 cm long, more or less sessile, bright yellow; rachis glabrous. Flowers 4-merous; sepals united, glabrous. Pods cylindric or subcylindric, 5–15 cm long, 4–10 mm wide, sometimes moniliform, commonly firmly coriaceous; seeds elliptic, sometimes irregular, 4–6 mm long, shiny, funicle folded several times into a thickened lateral skirt-like aril.