Xerophyte

Central Spines

Often lacking.

Roots

Branched taproot.

Flowers

Funnel-shaped, creamy-white with pale pink throat, 3,5-5,5 cm (rarely more) long and 3,5-5,5 cm in diameter.

Ribs

9 to -16 wide and flat, or slightly tuberculate.

Stem

Flattened hemispherical to spherical, grey-green to olive green, 3-4,5 cm tall and up to 8 cm in diameter.

Radial Spines

usually 3 needle-like, stiff, straight, bent back on the body, pointing downward, brownish becoming grey, 1-1,5 cm (or more) long.

Fruits

Barrel shaped green to dull red, 1,5-2(-3) cm long and1,5-2 cm in diameter.

Areoles

Round to oval, initially felted but soon naked .