Original Description:The Cactaceae 2
p.122 - Britton & Rose (1920)
Erect, branching dichotomously, 2 to 3 meters high; joints about 9 cm. wide, strongly 3-winged; areoles large, 5cm apart; radial spines 5 to 8, very short, less than 5 mm long; central spines 1 or 2, very stout, 4 to 5.5 cm long; flower 25 cm long, white, with a rather stout tube 12 cm long, the gradually expanded throat 5 to 6 cm long.
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