Original Description:The Cactaceae 2
p.136 - Britton & Rose (1920)
Plant 2 to 4 meters high with numerous erect or ascending, stout branches, 15 to 20 cm in diameter, glaucous when young; ribs 6 to 8, broad and rounded; areoles large, 2 to 2.5 cm apart, brown-felted; spines brown from teh first, about 10, unequal, some of them 4 cm long, rigid and stout, not at all swollen at base; areoles on ovary and flower-tube hairy; mature flowers not seen but evidently large and probably white.
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