Erect perennial to 30 cm high. Branches stout, velvety. Leaves slender, semiterete or trigonous, 1.5–3 cm long, somewhat sigmoid with recurved apex, silky. Flowers solitary. Perianth velvety. Stamens 5. Fruiting perianth partly embedded in branch axis, velvety; tube disc-shaped, c. 1 mm high, 3 mm wide; limb conical, erect to 3 mm high; spines 2+2, the abaxial spines laterally placed and ascending, slender, 2–3 cm long, the radicular adaxial spines to 1 cm long or with one sometimes reduced to a tubercle. Seed horizontal; radicle ascending.
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