Xerophyte

Central Spines

1 Horn coloured right-angled, with dark tip, longer and more rigid, directed upward up to 4 cm long.

Flowers

White with carmine- red central strip (or yellowish?), about 2 cm long and wide.

Ribs

14-22 (or more

Radial Spines

4-6 on the lower par of the areole, straight, glassy, 8-12 mm long, and 3 reddish-grey in the upper part of areole of which the central one is flat-pressed directed upward up to 3 cm long the lateral are shorter.