Vertical branches arise from the base of the plant.[3] Each column has 10–15 rounded ribs. The large areoles are around 1 cm apart, and have wavy yellow hairs. The straight spines are red-yellow initially, fading to white as they age. The central spine is around 1–2 cm (1⁄2–3⁄4 in) long, and is surrounded by 8 to 10 smaller radial spines that are 0.4–1 cm (1⁄4–1⁄2 in) in length. The white flowers are 15 cm (6 in) across and 18–20 cm (7–7+3⁄4 in) long,[2] part of which is an 8 cm long tube. In their native habitat, the flowers appear in June–July and open at night.
12+ inch
























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