Xerophyte

Central Spines

1 (occasionally 2) yellowish curved upwards 2-3mm long on mature areoles only.

Description

Small usually solitary geophyitic cacti, partly underground.

Roots

Napiform root.

Tubercles

Pyramidal.

Flowers

Funnel shaped, whitish with pinkish-magenta middle-stripe, 18-22 mm wide.

Stem

Flattened globular, 25 (60)mm high 40-55mm wide dark green or glaucous green.

Radial Spines

5-8 in juvenile plants, disappearing in adults.

Fruits

Urn-shaped, brown, 5mm long.

Areoles

young areoles with white wool, older are bare.