Xerophyte

Central Spines

Mostly 3-4 central spines of which the dominant one (sometime absent), straight, subulated or partially recurving, 2- 3 cm long, dark reddish brown with blackish tips.

Roots

Central thin tap-root.

Tubercles

In 8-13 series, rhomboid, up to 10 mm tall, delineated by a groove near the areole on the upper surface, axil woolly,

Flowers

Funnelform, 4 or more cm in diameter, pale-yellow.

Stem

Globose to shortly cylindrical, 6-10 tall and in diameter, dull greys-bluish-green, apex rounded woolly.

Radial Spines

9-15(-20), thick, subulated, 10-20 long, radiating sideways and downward, straight or somewhat curving, grey or whitish.

Fruits

Green to tannish, oblong to large ovoid, juicy with attached flowers remnants.

Areoles

Round, approx 7 mm in diameter slightly woolly.