Plants branched, sprawling, clones to 3 m or more wide. Stems soon decumbent, cylindric, (10-)20-36 × 1.5-3 cm; ribs 5-7, crests undulate; areoles 10-15 mm apart. Spines 9-10 per areole, straight, stiff, white, tipped dark; radial spines 6-9 per areole, appressed-spreading, to 10 mm; central spines 1-3 per areole, projecting outward, to 30 mm. Flowers 5-6 × 0.2-4.8 cm; flower tube 10-20 × 10-30 mm; flo-wer tube hairs short, inconspicuous; inner tepals purplish pink or magenta, often with darker midstripes and/or proximal region, 40 × 18 mm, tips relatively thin and delicate; anthers yellow; nectar chamber 4-6 mm. Fruits olive green to 25 mm, pulp white or colorless. 2n = 22.
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