Depressed, globular, 6 cm high, 14 cm in diameter, grayish green; ribs 13, broad and low, rounded on the margin; areoles elliptic; spines usually 7, subulate, rigid, appressed to the ribs, sometimes recurved, grayish brown, 2 to 2.5 cm long; flowers 7 cm long; inner perianth-segments more or less rose-tinted; filaments and style violaceous; stigma-lobes 16, white to rose-colored; scales on the ovary few, broad.
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