Stem: Smooth, globoid, shiny green, up to 20(-25) cm in diameter.
Ribs: 5-6 cm wide, rounded, somewhat acute, deeply furrowed.
Spines: Few (usually 5 of which one pointing downward others to the sides) , yellowish white, sparse, straight to slightly curved, definite and very irregular, up to 3 cm long.
Flowers: White, pale pink, pink or pale purplish up to 11 cm long and in diameter. 
Fruit: Ovoid, blue-green