Shrub to c. 2 m high. Bark light grey-brown. Branchlets angular towards apices, orange-brown or red-brown, later grey, tuberculate, with fine nonconvoluted ridges. Phyllodes erect, very narrowly elliptic to linear or oblanceolate, straight or slightly curved, (3-) 5-16 cm long, 2-10 mm wide, coriaceous; main veins 1-7, longitudinal, nonanastomosing, 2 or 3 per mm, on either side of conspicuous midvein; gland 1, minute, basal, to 0.5 mm above pulvinus. Spikes 0.5-1.8 cm long, c. 4-5 mm wide, yellow or bright yellow. Flowers mostly 5-merous, also 4-and 6-merous; calyx 0.7-1.2 mm long, sinuate or dissected for 1/3-1/2, glabrous or irregularly fimbriolate, squamulose; corolla 1.6-2.3 mm long, dissected for 2/5-5/7, glabrous; ovary thickly pubescent. Pods linear, straight-sided or very slightly constricted between seeds, straight or slightly curved, flat, 4-8 (-11) cm long, (5-) 7-8 (-10) mm wide, glabrous; margins prominent, pale. Seeds longitudinal, oblong-elliptic to orbicular, 4-5.5 mm long, brown or red-brown; pleurogram with broad halo; areole closed or scarcely open, ±fawn.
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