Plants typically unbranched. Stems subglobose to obovoid, 3.8-6 × 3-9.5 cm; areoles circular to oval, villous to glabrate. Spines smooth, relatively hard, all radial, 9-15 per areole, spreading, white, 2-6 mm. Flowers 1.5-2.5 × 1.8-2.5 cm; scales and outer tepals minutely toothed to entire and undulate; outer tepals yellow-bronze to peach-bronze or pink with purple midstripes, 4-10 × 3-6 mm; inner tepals yellow-bronze to peach-bronze (rarely pink), 6-12 × 4-6 mm. Fruits green, drying reddish brown, turbinate, 9-11 × 10-12 mm. Seeds black, 3.5 × 2.5 mm, shiny, papillate and rugose.
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