Shrub 0.5–1.5 m high. Branchlets usually pilose and hirsutellous admixed, with the latter type of hairs sometimes sparse. Pinnae mostly 2 pairs, 2–6 mm long (proximal pinnae), 6–20 mm long (distal pinnae); rachis 3–5 mm long; pinnules 1–3 pairs (proximal pinnae), 2–6 pairs (distal pinnae), ± narrowly oblong to lanceolate, 4–8 (–15) mm long, 1.5–3 mm wide, flat or recurved to revolute, green, usually sparsely hirsute at least near margins; gland on rachis at base of pinnae, sessile. Inflorescences simple, 1 or 2 per axil; peduncles 15–30 mm long, glabrous; heads globular, 7–10 mm diam., 24–36-flowered, light golden, rarely cream. Flowers 5-merous; sepals ⅔–¾-united. Pods narrowly oblong, 3–5 cm long, 7–11 mm wide, crustaceous, pilose, sometimes glabrous; margins thickened. Seeds transverse to oblique, 2.5–4.5 mm long; aril once-folded.
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