Shrub 0.3–0.5 m tall, dense, spreading. Branchlet indumentum variable. Axillary spines 1 per node, 1–2 cm long. Pinnae 1 pair, 1–2 mm long; apices acute, 0.5–1.5 mm long and normally dark brown; petiole normally greater than 0.5 mm long; terminal seta 1.5–3 mm long, dark brown; pinnules 2 pairs, 6–10 mm long, 0.7–1.5 mm wide, revolute, green, glabrous to hirsutellous; gland on petiole at base of pinnae, sessile, minute. Inflorescences simple, situated near or above middle of axillary spine; peduncles 7–10 mm long, appressed-puberulous to glabrous; heads globular, 23–26-flowered, golden; bracteoles acuminate, exserted in buds. Flowers 5-merous; sepals ½–¾-united. Pods curved to circinnate, 1.5–4 cm long, 4–7 mm wide, shortly villous with shiny and straight or subcrisped hairs. Seeds longitudinal, oblong to circular, 2.5–3.5 mm long.
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