Spindly, open shrub 2–4 m high, glabrous, slightly resinous. Branchlets ± tuberculate-ribbed. Phyllodes scattered, some clustered in twos or threes, patent to inclined, slender, incurved, terete to subterete, drying with a longitudinal groove on each face along the midline, 1–2 cm long, 0.3–0.5 mm wide, abruptly constricted to a pulvinus c. 0.2 mm long, excentrically mucronulate to rostellate, green, nerveless; gland minute, c. 0.5 mm above pulvinus. Inflorescences simple, 1 per axil; peduncles 7–13 mm long, ebracteate at base; heads globular, 20–30-flowered, light golden. Flowers 5-merous; sepals ⅔–⅘-united. Pods linear, to 6 cm long, 3–4 mm wide, firmly chartaceous. Seeds longitudinal, oblong, 4–4.5 mm long; aril oblique.
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