Plants shrubby, 2-3 m (6.6-9.8 ft) high, with erect branches arising from short unarmed trunks. Main stems erect, branching mostly in the upper parts, bright vivid green, 0.7-1.5 m (28-59 in) long; ultimate stems ascending or diverging, 3-4.8 cm (1.2-1.9 in) in diameter. Ribs 4-5, flattened, slightly wavy, bearing the areoles in depressions.
Spines unequal, brown, becoming gray with age. Central spine one, 7-9 cm (2.8-3.5 in) long; subcentrals 3-6, diverging, 2.8-5.5 cm (1.1-2.2 in) long. Radial spines 6-13, usually 8,1-2.5 cm (0.4-1 in) long. Flowers borne terminally, open at night, cylindrical, whitish pink to white, 4.5-5.5 cm (1.8-2.2 in) long, 3-3.5 cm (1.2-1.4 in) in diameter; pericarpels and floral tubes with clusters of brown spines; stamens distinctly exserted. Fruits elliptical to globose, spiny, to 6.5 cm (2.6 in) long and 5.5 cm (2.2 in) in diameter. Distribution: La Habana province, Cuba.
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