Slightly resinous shrub or tree to 7 m high. Bark slightly fissured or shredding. Upper branchlets commonly angular, otherwise terete, glabrous; upper ridges often resin-convoluted. Stipules triangular, brown, 1–2 mm long, often persistent. Phyllodes linear to very narrowly elliptic and linear-oblanceolate, straight or slightly curved, 4–14.5 cm long, 3–14 mm wide, acute to obtuse with a ± setose point normally 1.5–3 mm long at apex, thinly to moderately coriaceous, glabrous, with mostly 2 or 3 slightly prominent main veins continuous from base to apex and 2 or 3 secondary veins; minor veins 5 or 6 per mm, slightly anastomosing; gland 1, to 3 mm above pulvinus. Spikes 1.5–3 cm long. Flowers 5-merous; calyx 0.4–1 mm long, dissected for ⅔ of length, ciliate and puberulous to ± glabrous; corolla 0.9–1.6 mm long, dissected for ½ its length or more, ± glabrous; ovary densely pubescent. Pods linear, slightly constricted between and raised over seeds, 5–10 cm long, 2.5–4.5 mm wide, firmly chartaceous to thinly coriaceous, glabrous. Seeds longitudinal, ± elliptic to oblong-elliptic, 4.5–5.5 mm long, dark brown; pleurogram with halo; areole closed or almost so, paler than rest of seed.
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