Xerophyte

Habit

It is a low growing cactus species solitary or forming clusters or cushions from a large tap root.

Central Spines

Often wanting.

Flowers

The flowers occur in several shades of yellow, varying from pale yellow to orangish-yellow, up to 8,5 cm long.

Spines

Forming a close network that shades the body.

Ribs

Approximately 17, more or less notched, forming tubercles.

Stem

Ovoid, greyish-green, dull green or brown-purplish-green, up to 8 cm tall and 5 cm in diameter.

Radial Spines

16-22, brownish, spreading to somewhat pectinated appressed against the stem, bristle-like, flexible, whitish, 4 mm long.

Areoles

Yellowish-white, somewhat sunken, about 5 mm apart.